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  • 04:28 Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

    Introduction To Nouns | The Parts Of Speech | Grammar | Khan Academy

    328 views / 0 likes - added

    David, Khan Academy's resident grammarian, introduces you to the most common English part of speech: the noun. Watch the next lesson: https://youtu.be/ETzngG8N3AU About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a pers

  • 01:25 Using Rotation Widget | Transformations | Geometry | Khan Academy

    Using Rotation Widget | Transformations | Geometry | Khan Academy

    333 views / 0 likes - added

    Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai

  • 08:13 Points After Rotation | Transformations | Geometry | Khan Academy

    Points After Rotation | Transformations | Geometry | Khan Academy

    366 views / 1 likes - added

    Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w

  • 03:43 BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

    BONUS: The Oxford comma | Punctuation | Grammar | Khan Academy

    232 views / 0 likes - added

    David and Paige tackle the great comma debate of our time: Oxford comma or no Oxford comma? Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/appositives-the-comma-punctuation-khan-academy?utm_source=YT&utm

  • 02:46 Defining Rotation Example | Transformations | Geometry | Khan Academy

    Defining Rotation Example | Transformations | Geometry | Khan Academy

    385 views / 0 likes - added

    Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

  • 01:48 Using Reflection Tool | Transformations | Geometry | Khan Academy

    Using Reflection Tool | Transformations | Geometry | Khan Academy

    455 views / 0 likes - added

    Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp

  • 03:59 Meet the Comma | Punctuation | Grammar | Khan Academy

    Meet the Comma | Punctuation | Grammar | Khan Academy

    258 views / 0 likes - added

    David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/

  • 01:55 Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    410 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org

  • 07:23 Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

    Irregular Plural Nouns, Part II | The Parts Of Speech | Grammar | Khan Academy

    285 views / 0 likes - added

    The plural of "whale" is "whales", but what's the plural of "child"? David, Khan Academy's resident grammarian, explains. About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower

  • 03:45 Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

    Introduction to the possessive | The Apostrophe | Punctuation | Khan Academy

    257 views / 0 likes - added

    Apostrophes can help show when something belongs to someone. Paige and David explain how! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www

  • 02:31 Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

    Choosing between its and it’s | The Apostrophe | Punctuation | Khan Academy

    214 views / 1 likes - added

    David and Paige explain the meaning of two English words that look and sound very similar but act very different: _its_ and _it's_. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe

  • 10:32 Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    369 views / 0 likes - added

    Rotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-2?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson:

  • 02:34 Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

    Irregular Plural Nouns, Part I | The Parts Of Speech | Grammar | Khan Academy

    263 views / 0 likes - added

    The plural of "dog" is "dogs", but what is the plural of "leaf"? Khan Academy's resident grammarian explains. Watch the next lesson: https://youtu.be/n9poHOKkF28 About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a perso

  • 04:35 Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

    Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

    485 views / 0 likes - added

    David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize

  • 07:40 Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    Comparing Numbers Represented In Different Ways | 4th Grade | Khan Academy

    332 views / 0 likes - added

    Examples of Khan Academy practice problems where you compare decimals, fractions, and number diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimal

  • 07:19 Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    338 views / 0 likes - added

    Reflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/reflections-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

  • 05:12 Ellipses | Punctuation | Khan Academy

    Ellipses | Punctuation | Khan Academy

    267 views / 0 likes - added

    Ellipses are three little dots that we use to show a pause or that a portion of a quote has been removed. Learn how to use them in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introd

  • 01:32 Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    365 views / 0 likes - added

    Formal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

  • 03:00 Appositives | Punctuation | Grammar | Khan Academy

    Appositives | Punctuation | Grammar | Khan Academy

    232 views / 0 likes - added

    David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med

  • 05:41 Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    Points On Line Of Reflection | Transformations | Geometry | Khan Academy

    359 views / 0 likes - added

    Points on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

  • 03:24 More uses for commas | Punctuation | Grammar | Khan Academy

    More uses for commas | Punctuation | Grammar | Khan Academy

    239 views / 0 likes - added

    David and Paige, KA’s resident grammarians, discuss tag questions, yes and no statements, and direct address -- all situations where the comma is super useful. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/c

  • 06:08 Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

    Beginning sentences with conjunctions | The parts of speech | Grammar | Khan Academy

    232 views / 0 likes - added

    Is it okay to begin a sentence with a conjunction like "but" or "because"? Yes. David explains why. Missed the previous lesson? https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/v/correlative-conjunctions?utm_source=YT&utm_medium=D

  • 02:18 Salutations and valedictions | Punctuation | Grammar | Khan Academy

    Salutations and valedictions | Punctuation | Grammar | Khan Academy

    206 views / 0 likes - added

    David and Paige, KA’s resident grammarians, talk about how to address and sign off on letters using commas! Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/v/commas-in-space-and-time-the-comma-punctuation-khan-a

  • 03:36 Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

    Introduction to contractions | The Apostrophe | Punctuation | Khan Academy

    337 views / 0 likes - added

    Apostrophes are great at standing in for missing letters, allowing us to shorten words. Paige and David discuss contractions and the Principle of Least Effort. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/

  • 08:26 Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

    Conjugate acid-base pairs | Acids and bases | Chemistry | Khan Academy

    242 views / 0 likes - added

    Introduction to conjugate acid-base pairs. Definition and examples of conjugate acid-base pairs. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivit

  • 07:04 Dependent and independent clauses | Syntax | Khan Academy

    Dependent and independent clauses | Syntax | Khan Academy

    291 views / 0 likes - added

    Independent clauses can stand on their own as sentences, but dependent clauses can’t. We’ll take a closer look at what this means. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/dependent-and-independent-clauses Wat

  • 03:00 Commas in dialogue | Punctuation | Grammar | Khan Academy

    Commas in dialogue | Punctuation | Grammar | Khan Academy

    295 views / 0 likes - added

    “Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so

  • 03:32 Three types of sentence | Syntax | Khan Academy

    Three types of sentence | Syntax | Khan Academy

    295 views / 0 likes - added

    Three essential types of sentence are declarative sentences (which are statements), interrogative sentences (which are questions), and imperative sentences (which are orders). Join us as we give examples of each! Practice this yourself on Khan Academy rig

  • 03:33 Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

    377 views / 0 likes - added

    Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal

  • 01:51 Punctuating a list | Punctuation | Grammar | Khan Academy

    Punctuating a list | Punctuation | Grammar | Khan Academy

    267 views / 0 likes - added

    Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=

  • 01:51 Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

    Possession for words ending in “s” | The Apostrophe | Punctuation | Khan Academy

    214 views / 0 likes - added

    Do words that end in "s" still need _'s_ to show possession? David and Paige explain! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-apostrophe/e/introduction-to-the-possessive-case Watch the next lesson: https://www.kha

  • 02:52 Three ways to end a sentence | Punctuation | Khan Academy

    Three ways to end a sentence | Punctuation | Khan Academy

    239 views / 0 likes - added

    David and Paige, KA’s resident grammarians, introduce the three ways to end a sentence: the period, the exclamation point, and the question mark. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/three-ways-to-end-a

  • 04:11 Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

    Advanced (plural) possession | The Apostrophe | Punctuation | Khan Academy

    264 views / 0 likes - added

    Paige and David talk about using apostrophes to show that something belongs to multiple people. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/e/advanved--plural--possesion Watch

  • 04:53 Subject-verb agreement | Syntax | Khan Academy

    Subject-verb agreement | Syntax | Khan Academy

    272 views / 0 likes - added

    Agreement is the art of making sure that sentence parts agree with one another; you want to make sure that your subjects and verbs match up. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/subject-verb-agreement Watc

  • 03:48 Recognizing fragments | Syntax | Khan Academy

    Recognizing fragments | Syntax | Khan Academy

    214 views / 0 likes - added

    A sentence fragment is a chunk of language that hasn’t made it all the way to being a working sentence; it might be missing a verb, or there might not be a subject. Learn how to turn a fragment into a sentence in this video! Practice this yourself on Khan

  • 02:51 Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

    Apostrophes and plurals | The Apostrophe | Punctuation | Khan Academy

    199 views / 0 likes - added

    There is *one* extremely rare case in which we use apostrophes to make things plural. David and Paige, KA's resident grammarians, discuss this unusual case. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/p

  • 04:14 Compound-complex sentences | Syntax | Khan Academy

    Compound-complex sentences | Syntax | Khan Academy

    374 views / 0 likes - added

    Compound-complex sentences are compound sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot and use them. Practice this yourself on Khan Academy right now www.khanacademy.org/syntax/e/complex-and-compound-com

  • 06:20 Dashes | Punctuation | Khan Academy

    Dashes | Punctuation | Khan Academy

    220 views / 0 likes - added

    Dashes are like little actors—they can behave like colons, pairs of commas, or parentheses. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/introduction-to-the-

  • 07:37 Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

    Introduction to reaction quotient Qc | Chemical equilibrium | Chemistry | Khan Academy

    188 views / 0 likes - added

    Introduction to the reaction quotient Qc, and how to use the reaction quotient to predict how the reaction concentrations will change. Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its

  • 03:19 Commas in space and time | The Comma | Punctuation | Khan Academy

    Commas in space and time | The Comma | Punctuation | Khan Academy

    246 views / 0 likes - added

    Learn how to use commas when writing addresses (in space) and dates (in time). Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/salutations--valedictions--dates--and-addresses Watch t

  • 02:34 Subjects and predicates | Syntax | Khan Academy

    Subjects and predicates | Syntax | Khan Academy

    212 views / 0 likes - added

    A subject is the noun or pronoun-based part of a sentence, and a predicate is the verb-based part that the subject performs. Let’s explore how that works in context. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/syntax/e/id

  • 05:07 Complex sentences | Syntax | Khan Academy

    Complex sentences | Syntax | Khan Academy

    218 views / 0 likes - added

    Complex sentences are simple sentences with dependent or subordinate clauses added to them. Paige and Rosie explain how to spot them and use them in this video. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/syntax/v/compound-comple

  • 04:34 What is a sentence? | Syntax | Khan Academy

    What is a sentence? | Syntax | Khan Academy

    201 views / 0 likes - added

    A sentence is a grammatically complete idea. All sentences have a noun or pronoun component called the subject, and a verb part called the predicate. David and Paige explore this division across several different example sentences. Watch the next lesson:

  • 02:50 Exclamations | Syntax | Khan Academy

    Exclamations | Syntax | Khan Academy

    226 views / 0 likes - added

    An exclamation is a sentence that expresses great emotion! David and Paige covered declarative, interrogative, and imperative sentences; now they tackle a fourth type of sentence that ends in an exclamation mark. Find out more! Watch the next lesson: http

  • 04:29 Simple and compound sentences | Syntax | Khan Academy

    Simple and compound sentences | Syntax | Khan Academy

    287 views / 0 likes - added

    A simple sentence contains one independent clause. A compound sentence contains more than one! Put another way: a simple sentence contains a subject and a predicate, but a compound sentence contains more than one subject and more than one predicate. Pract

  • 04:51 Hyphens vs. dashes | Punctuation | Khan Academy

    Hyphens vs. dashes | Punctuation | Khan Academy

    248 views / 1 likes - added

    Hyphens and dashes look pretty similar, but their uses are very different! Learn when to use each one in this video. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/dashes-and-hyphens Watch the nex

  • 04:09 Parentheses | Punctuation | Khan Academy

    Parentheses | Punctuation | Khan Academy

    187 views / 0 likes - added

    Parentheses set off extra information (such as a writer's remarks, an interruption, or a reference) from the rest of a sentence. Learn how to use them in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneo

  • 05:15 Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    Thinking About The Changing Values Of Variables And Expressions | 6th Grade | Khan Academy

    267 views / 0 likes - added

    Explore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100-x, 5/x + 5, and (3y)/(2y). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacad

  • 05:05 Parallel structure | Syntax | Khan Academy

    Parallel structure | Syntax | Khan Academy

    305 views / 0 likes - added

    Parallel structure isn’t a set rule, but more of a stylistic choice: it helps sentence elements maintain a pattern. This is a very special episode because it’s Paige’s last video with us as a KA intern! We will miss having Paige as a contributor to the Gr

  • 04:35 Commas and introductory elements | Punctuation | Grammar | Khan Academy

    Commas and introductory elements | Punctuation | Grammar | Khan Academy

    222 views / 0 likes - added

    In English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an

  • 05:57 Phrases and clauses | Syntax | Khan Academy

    Phrases and clauses | Syntax | Khan Academy

    319 views / 0 likes - added

    A phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver

  • 03:53 Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    Missing Number For Addition And Subtraction Within 1000 | 3th Grade | Khan Academy

    405 views / 0 likes - added

    Learn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-add-sub-topic/cc-3rd-add-sub-missing-value/e/find-the-missing-number--

  • 03:40 Comparing Decimals Visually Example | 4th Grade | Khan Academy

    Comparing Decimals Visually Example | 4th Grade | Khan Academy

    352 views / 0 likes - added

    Learn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals-visually/e/comparing-decimals-visually?utm_source=

  • 04:38 Run-ons and comma splices | Syntax | Khan Academy

    Run-ons and comma splices | Syntax | Khan Academy

    222 views / 0 likes - added

    A run-on sentence doesn’t separate any of its independent clauses with the punctuation that it needs, and a comma splice incorrectly separates two independent clauses with a comma, instead of a comma-and-coordinating-conjunction. Practice this yourself on

  • 05:03 Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

    Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

    259 views / 0 likes - added

    David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee

  • 06:20 Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

    286 views / 0 likes - added

    Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/

  • 03:13 Using quotation marks in titles | Punctuation | Khan Academy

    Using quotation marks in titles | Punctuation | Khan Academy

    202 views / 0 likes - added

    Learn how to use quotation marks to title things like poems, songs, and episodes of TV shows. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/miscellaneous-punctuation/e/italics--underlines--and-quotes/ Watch the next lesson:

  • 06:55 Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    Place Value For Decimals Greater Than One (examples) | 4th Grade | Khan Academy

    348 views / 0 likes - added

    Understand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-greater-than-one/e/decimals-greater-than-one-intuition?ut

  • 02:45 Progressive Aspect | The parts of speech | Grammar | Khan Academy

    Progressive Aspect | The parts of speech | Grammar | Khan Academy

    249 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 01:32 Simple Aspect | The parts of speech | Grammar | Khan Academy

    Simple Aspect | The parts of speech | Grammar | Khan Academy

    244 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 04:08 Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    Plotting Decimal Numbers On A Number Line (examples) | Khan Academy

    309 views / 0 likes - added

    Learn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-number-line/e/decimals_on_the_number_line_2?utm_

  • 04:47 Who versus whom | The parts of speech | Grammar | Khan Academy

    Who versus whom | The parts of speech | Grammar | Khan Academy

    220 views / 0 likes - added

    When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u

  • 06:47 Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

    Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

    384 views / 0 likes - added

    How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity

  • 02:31 Perfect Aspect | The parts of speech | Grammar | Khan Academy

    Perfect Aspect | The parts of speech | Grammar | Khan Academy

    227 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 01:26 Introduction to verbs | The parts of speech | Grammar | Khan Academy

    Introduction to verbs | The parts of speech | Grammar | Khan Academy

    257 views / 0 likes - added

    Let's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium

  • 02:01 The present tense | The parts of speech | Grammar | Khan Academy

    The present tense | The parts of speech | Grammar | Khan Academy

    243 views / 0 likes - added

    How do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-past-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse

  • 04:33 Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

    Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

    280 views / 0 likes - added

    Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me

  • 03:15 Personal pronouns | The parts of speech | Grammar | Khan Academy

    Personal pronouns | The parts of speech | Grammar | Khan Academy

    242 views / 0 likes - added

    Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less

  • 03:14 The irregular verb gets taken for a ride | Grammar | Khan Academy

    The irregular verb gets taken for a ride | Grammar | Khan Academy

    250 views / 0 likes - added

    This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs

  • 03:29 Basic Math:  Dividing Fractions

    Basic Math: Dividing Fractions

    380 views / 0 likes - added

    Basic Math: Dividing Fractions. In this video, I do two examples. In the first I divide a whole number by a fraction and in the second I divide a fraction by a fraction. For more free math videos, visithttp://JustMathTutoring.com

  • 03:06 Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

    380 views / 0 likes - added

    Deepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimal-intuition-with-

  • 02:00 The past tense | The parts of speech | Grammar | Khan Academy

    The past tense | The parts of speech | Grammar | Khan Academy

    274 views / 0 likes - added

    When you want to talk about events that have already happened, you use the past tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/the-future-tense-verbs-the-parts-of-speech?utm_source=YT&utm_medium=

  • 02:55 Emphatic pronouns | The parts of speech | Grammar | Khan Academy

    Emphatic pronouns | The parts of speech | Grammar | Khan Academy

    218 views / 0 likes - added

    Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://

  • 02:53 The truly irregular verbs | The parts of speech | Grammar | Khan Academy

    The truly irregular verbs | The parts of speech | Grammar | Khan Academy

    226 views / 0 likes - added

    Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular

  • 02:50 The future tense | The parts of speech | Grammar | Khan Academy

    The future tense | The parts of speech | Grammar | Khan Academy

    264 views / 0 likes - added

    When you want to talk about the future in English, you use the future tense. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/v/linking-verbs-the-parts-of-speech-grammar?utm_source=YT&utm_medium=Desc&utm_ca

  • 03:12 Correlative conjunctions | The parts of speech | Grammar | Khan Academy

    Correlative conjunctions | The parts of speech | Grammar | Khan Academy

    327 views / 0 likes - added

    Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u

  • 05:27 Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

    Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

    233 views / 0 likes - added

    Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo

  • 05:41 That versus which | The parts of speech | Grammar | Khan Academy

    That versus which | The parts of speech | Grammar | Khan Academy

    245 views / 0 likes - added

    Much has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne

  • 01:50 Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

    Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

    254 views / 0 likes - added

    If verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o

  • 09:03 BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

    BONUS VIDEO | Singular They | The parts of speech | Grammar | Khan Academy

    218 views / 0 likes - added

    You may have been hearing a lot about the "singular they" recently. But what is it? How does it work, what is its history, and is it grammatical? Let's find out. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-modif

  • 02:54 Helping verbs | The parts of speech | Grammar | Khan Academy

    Helping verbs | The parts of speech | Grammar | Khan Academy

    290 views / 0 likes - added

    We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra

  • 05:10 Reflexive pronouns | The parts of speech | Grammar | Khan Academy

    Reflexive pronouns | The parts of speech | Grammar | Khan Academy

    256 views / 0 likes - added

    We use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra

  • 02:35 Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

    473 views / 0 likes - added

    Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 00:59 Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy

    Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy

    338 views / 0 likes - added

    Learn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-fractions-on-the-number-line/e/fractions_on_the_number_lin

  • 03:46 Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    Testing Whether Area Is Proportional To Side Length | 7th Grade | Khan Academy

    320 views / 0 likes - added

    Is the volume of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-ide

  • 04:53 Modal verbs | The parts of speech | Grammar | Khan Academy

    Modal verbs | The parts of speech | Grammar | Khan Academy

    247 views / 0 likes - added

    There's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you

  • 01:56 Relative pronouns | The parts of speech | Grammar | Khan Academy

    Relative pronouns | The parts of speech | Grammar | Khan Academy

    316 views / 0 likes - added

    We use the relative pronouns to connect clauses together, like "the man *who sold the world* is coming over for dinner." David, KA's Grammar Fellow, explains. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/

  • 07:00 Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

    Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

    288 views / 0 likes - added

    The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h

  • 05:18 Pronoun number | The parts of speech | Grammar | Khan Academy

    Pronoun number | The parts of speech | Grammar | Khan Academy

    303 views / 0 likes - added

    The difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp

  • 03:02 Linking verbs | The parts of speech | Grammar | Khan Academy

    Linking verbs | The parts of speech | Grammar | Khan Academy

    459 views / 0 likes - added

    In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs

  • 05:02 Positive And Negative Slope | Algebra I | Khan Academy

    Positive And Negative Slope | Algebra I | Khan Academy

    335 views / 0 likes - added

    Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign

  • 02:46 Introduction to Grammar | Grammar | Khan Academy

    Introduction to Grammar | Grammar | Khan Academy

    455 views / 0 likes - added

    Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa

  • 05:37 Linear Models Example 2 | Algebra I | Khan Academy

    Linear Models Example 2 | Algebra I | Khan Academy

    280 views / 0 likes - added

    Marbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?utm_s

  • 01:47 Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

    607 views / 0 likes - added

    Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction

  • 12:36 Popular Math Antics - Volume

    Math Antics - Volume

    945 views / 0 likes - added

    Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!

    Featured
  • 02:11 Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

    Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

    217 views / 0 likes - added

    We use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa

  • 04:43 Subject, direct object, and indirect object | Syntax | Khan Academy

    Subject, direct object, and indirect object | Syntax | Khan Academy

    208 views / 0 likes - added

    A subject is the noun phrase that drives the action of a sentence; in the sentence “Jake ate cereal,” Jake is the subject. The direct object is the thing that the subject acts upon, so in that last sentence, “cereal” is the direct object; it’s the thing J

  • 05:53 Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

    Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

    219 views / 0 likes - added

    A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o

  • 05:34 Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    Subject and object pronouns | The parts of speech | Grammar | Khan Academy

    215 views / 0 likes - added

    Before we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt

  • 04:05 How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

    390 views / 0 likes - added

    Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-one-st

  • 08:52 Linear Models Example 1 | Algebra I | Khan Academy

    Linear Models Example 1 | Algebra I | Khan Academy

    365 views / 0 likes - added

    Linear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?u

  • 04:39 Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

    Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

    235 views / 0 likes - added

    There's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts

  • 07:14 Calculating internal energy and work example | Chemistry | Khan Academy

    Calculating internal energy and work example | Chemistry | Khan Academy

    237 views / 0 likes - added

    Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-

  • 07:50 pH and pKa relationship for buffers | Chemistry | Khan Academy

    pH and pKa relationship for buffers | Chemistry | Khan Academy

    431 views / 0 likes - added

    How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/

  • 06:52 Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

    Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

    444 views / 0 likes - added

    Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that

  • 08:21 Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

    Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

    270 views / 0 likes - added

    Introduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio

  • 02:07 Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

    258 views / 0 likes - added

    We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next

  • 01:46 Introduction to verb tense | The parts of speech | Grammar | Khan Academy

    Introduction to verb tense | The parts of speech | Grammar | Khan Academy

    266 views / 0 likes - added

    An understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/

  • 04:50 Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

    Introduction to the apostrophe | The Apostrophe | Punctuation | Khan Academy

    303 views / 0 likes - added

    David and Paige, KA’s resident grammarians, introduce a new piece of punctuation: the apostrophe! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-comma/e/introduction-to-the-apostrophe Watch the next lesson: https://www.k

  • 06:56 Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

    368 views / 0 likes - added

    Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra

  • 02:40 Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

    Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

    371 views / 0 likes - added

    Interpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-functions?ut

  • 06:13 Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

    Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

    202 views / 0 likes - added

    Example problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u

  • 07:33 Ways to get a buffer solution | Chemistry | Khan Academy

    Ways to get a buffer solution | Chemistry | Khan Academy

    220 views / 0 likes - added

    Describes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l

  • 03:11 The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

    The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

    237 views / 0 likes - added

    This group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs

  • 04:52 Possessive pronouns | The parts of speech | Grammar | Khan Academy

    Possessive pronouns | The parts of speech | Grammar | Khan Academy

    317 views / 0 likes - added

    We can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference

  • 02:35 Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

    274 views / 0 likes - added

    Linear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-function

  • 03:29 Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

    Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

    256 views / 0 likes - added

    Words like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad

  • 07:23 Introduction To Transformations | Transformations | Geometry | Khan Academy

    Introduction To Transformations | Transformations | Geometry | Khan Academy

    350 views / 0 likes - added

    Introduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=De

  • 03:45 Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    411 views / 0 likes - added

    To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al

  • 03:04 How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

    How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

    271 views / 0 likes - added

    Sal find the formula of a function that, given an input value "b," outputs a value "a" that satisfies the equation 4a+7b=-52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/functions-

  • 07:18 Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

    Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

    367 views / 0 likes - added

    Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha

  • 04:01 Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    Comparing Values With Calculator | Numbers And Operations | 8th Grade | Khan Academy

    396 views / 0 likes - added

    Learn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr

  • 01:49 How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

    How To Find Two Function Inputs With The Same Output Given Graph (example) | Khan Academy

    319 views / 0 likes - added

    Sal finds the input value other than -5 for which f(x)=f(-5), given the graph of f. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inp

  • 04:07 Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

    353 views / 0 likes - added

    Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr

  • 01:40 How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

    How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

    254 views / 0 likes - added

    Sal finds the input value for which f(t)=13, given that f(t)=-2t+5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_

  • 01:07 How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

    How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

    280 views / 0 likes - added

    Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so

  • 01:53 The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

    The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

    256 views / 0 likes - added

    These are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac

  • 02:32 Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

    404 views / 0 likes - added

    Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg

  • 04:10 Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Approximating With Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    352 views / 0 likes - added

    Learn how to approximate how much larger the world population was than the US population in 2014. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-

  • 03:24 How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    284 views / 0 likes - added

    Sal interprets the expression M(30)-M(0)=100 where M models an account balance over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation/e/function-nota

  • 02:41 Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    Multiplying Multiples Of Powers Of 10 | Numbers And Operations | 8th Grade | Khan Academy

    353 views / 0 likes - added

    Learn how to multiply (9 * 10^9) (-2 * 10^-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-orders-of-magnitude/e/orders-of-magnitude?utm_source=YT&utm_m

  • 02:36 How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

    356 views / 0 likes - added

    Sal interprets the expression P(5) minor P(9) where P models the number of people at the beach over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation

  • 02:27 Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

    Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

    287 views / 0 likes - added

    Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so

  • 07:11 Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

    Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

    373 views / 0 likes - added

    Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio

  • 03:29 Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    Comparing Decimals Example 1 | Decimals | 4th Grade | Khan Academy

    335 views / 1 likes - added

    Learn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-compare-decimals/e/comparing_decimals_1?utm_source=YT&utm_me

  • 05:38 Decimals As Words | Decimals | 4th Grade | Khan Academy

    Decimals As Words | Decimals | 4th Grade | Khan Academy

    301 views / 0 likes - added

    Learn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimals-intro/e/decimals-in-words?utm_source=YT&utm_medium=Desc&utm_campaign

  • 05:09 Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

    Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

    399 views / 0 likes - added

    Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st

  • 02:35 Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

    Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

    360 views / 0 likes - added

    Checking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?ut

  • 02:32 Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With Pies | Fractions | 4th Grade | Khan Academy

    339 views / 0 likes - added

    Comparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=Y

  • 02:55 Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

    421 views / 0 likes - added

    Comparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually-comparing-fractions?utm_source=YT&

  • 10:00 Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

    277 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.

  • 05:27 Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

    288 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app

  • 03:43 Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

    289 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p

  • 06:29 How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

    392 views / 0 likes - added

    Learn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distributive-property/e/distrib

  • 04:57 Irregular plural nouns |– foreign plurals | The parts of speech | Grammar | Khan Academy

    Irregular plural nouns |– foreign plurals | The parts of speech | Grammar | Khan Academy

    281 views / 0 likes - added

    You don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca

  • 01:46 Movie Ticket Proportionality | 7th Grade | Khan Academy

    Movie Ticket Proportionality | 7th Grade | Khan Academy

    294 views / 0 likes - added

    When going to the movies, is the price you pay proportional to the number of tickets you buy? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-re

  • 02:48 Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    419 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/

  • 04:32 The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    The Zeroth Power | Arithmetic Operations | 6th Grade | Khan Academy

    301 views / 0 likes - added

    Learn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-arithmetic-operations/cc-6th-exponents/e/positive_and_zero_exponents?utm_source=Y

  • 02:35 Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    Comparing Fractions Visually With A Bar | Fractions | 4th Grade | Khan Academy

    336 views / 0 likes - added

    Learn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-comparing-fractions-visually/e/visually

  • 06:06 Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

    406 views / 0 likes - added

    Learn how two fractions are equivalent only if they refer to the same whole. For example, 1/2 of a small circle is not the same as 1/2 of a big circle. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-

  • 04:11 Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    Decomposing Hundredths Into Tenths And Hundredths | 4th Grade | Khan Academy

    361 views / 0 likes - added

    Learn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fractions-with

  • 02:39 Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    Proportionality Between Side Length And Perimeter | 7th Grade | Khan Academy

    350 views / 0 likes - added

    Is the perimeter of a square proportional to the side length of the square? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-

  • 03:03 Introduction To Exponents | Pre-Algebra | Khan Academy

    Introduction To Exponents | Pre-Algebra | Khan Academy

    339 views / 0 likes - added

    Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma

  • 12:49 Scientific Notation Examples | Pre-Algebra | Khan Academy

    Scientific Notation Examples | Pre-Algebra | Khan Academy

    317 views / 0 likes - added

    More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W

  • 08:30 Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

    373 views / 0 likes - added

    Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

  • 07:34 Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    373 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

  • 03:21 Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

    268 views / 0 likes - added

    Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

  • 09:17 Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

    331 views / 0 likes - added

    Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

  • 06:14 How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

    350 views / 0 likes - added

    Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin

  • 03:52 Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    384 views / 0 likes - added

    Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca

  • 04:58 Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy

    Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy

    435 views / 0 likes - added

    Comparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca

  • 04:31 Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

    305 views / 0 likes - added

    Examining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis

  • 03:27 How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

    463 views / 0 likes - added

    Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6t

  • 02:57 Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy

    Banana Proportionality | Rated And Proportional Relationships | 7th Grade | Khan Academy

    332 views / 0 likes - added

    A proportionality problem about eating bananas Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-seventh-grade-math/cc-7th-ratio-proportion/cc-7th-proportional-rel/e/analyzing-and-identifying-proportional-rela

  • 02:54 How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    How To Describe Real-world Situations With Inequalities | 6th Grade | Khan Academy

    302 views / 0 likes - added

    Learn how to write inequalities to model real-world situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-inequalities/e/inequalities-in-one-var

  • 20:48 Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    Introduction To Scientific Notation | Pre-Algebra | Khan Academy

    408 views / 0 likes - added

    Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc

  • 10:57 BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

    BONUS: History of the possessive apostrophe | The Apostrophe | Punctuation | Khan Academy

    294 views / 0 likes - added

    David, Paige, and Jake cover the fascinating history of the possessive apostrophe. Stay tuned for this bonus video! Missed the previous lesson? Watch here: https://www.khanacademy.org/humanities/grammar/punctuation/the-apostrophe/v/bonus-history-of-the-ap

  • 03:00 Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

    401 views / 0 likes - added

    The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

  • 04:32 How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

    596 views / 0 likes - added

    Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-

  • 03:36 Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

    305 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

  • 05:42 Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

    382 views / 0 likes - added

    Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/

  • 05:34 Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

    333 views / 0 likes - added

    Learn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

  • 08:13 Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

    345 views / 0 likes - added

    What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 03:08 Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

    415 views / 1 likes - added

    Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

  • 02:36 Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    340 views / 0 likes - added

    Laying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin

  • 05:20 Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

    322 views / 0 likes - added

    Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations

  • 04:20 Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

    376 views / 1 likes - added

    When dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi

  • 09:16 Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

    401 views / 0 likes - added

    Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=

  • 14:13 Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

    440 views / 0 likes - added

    What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl

  • 11:47 Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

    Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

    247 views / 0 likes - added

    Introduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s

  • 04:17 Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

    282 views / 0 likes - added

    Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa

  • 04:25 Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

    297 views / 0 likes - added

    Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca

  • 1:10:07 Khan Academy Live: AP Calculus

    Khan Academy Live: AP Calculus

    232 views / 0 likes - added

    Taking AP Calculus? Prep for the exam with our free live tutoring session. Dave, one of our calculus experts, will review key concepts, solve sample questions, and share ways to avoid common mistakes. Prep for your AP Calculus exams on Khan Academy: https

  • 03:09 Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    455 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh

  • 03:50 Adjectives and commas | Adjectives | Khan Academy

    Adjectives and commas | Adjectives | Khan Academy

    257 views / 0 likes - added

    When using more than one adjective, sometimes you put a comma between them and sometimes you don't. Learn how to tell when you need a comma in this video! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/the-modifier/e/commas-

  • 04:16 Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

    356 views / 0 likes - added

    We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now

  • 05:40 BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

    BONUS: History of the apostrophe | The Apostrophe | Punctuation | Khan Academy

    204 views / 0 likes - added

    The apostrophe has a bizarre history, including being the name for something that's not really related to grammar at all. David, Paige, and special guest Jake explain. Watch the next lesson: https://www.khanacademy.org/humanities/grammar/punctuation/the-a

  • 09:43 Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    391 views / 0 likes - added

    Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the

  • 06:55 What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

    What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

    290 views / 0 likes - added

    Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable

  • 02:19 How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    How To Determine The Domain Of A Modeling Function (example With A Function) | Khan Academy

    355 views / 0 likes - added

    Sal determines the domain of a function that models the height of a plant over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/determining-the-domain-of-a-function/e/interpreting

  • 02:34 Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

    Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

    416 views / 0 likes - added

    Standard form to slope-intercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/slope-from-an-equation-in-standard-form?utm_source=Y

  • 03:27 How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    How To Use The Distributive Property To Factor Out The Greatest Common Factor | Khan Academy

    313 views / 0 likes - added

    Learn how to apply the distributive property to factor numerical expressions (no variables). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distribut

  • 19:37 Smart Math Techniques - Solve maths problems in seconds

    Smart Math Techniques - Solve maths problems in seconds

    376 views / 0 likes - added

    Topic In this topic our expert trainer Shruti explains how to solve difficult maths problems in a matter of seconds. OBJECTIVE To enable you to to do faster calculation using best speed maths techniques and make you score more in your exams. These speed m

  • 09:50 Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

    506 views / 1 likes - added

    How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA

  • 04:51 Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

    383 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem

  • 05:51 Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

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    Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

  • 04:33 Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

    Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

    377 views / 0 likes - added

    See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_

  • 06:29 Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

    410 views / 0 likes - added

    We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 02:39 Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

    384 views / 0 likes - added

    This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/

  • 03:50 Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

    Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

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    Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w

  • 01:11 Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

    345 views / 0 likes - added

    Subtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting


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