Search Results: "Volume Word Problems Basic Example  Math  New SAT  Khan Academy"
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04:28
Introduction To Nouns  The Parts Of Speech  Grammar  Khan Academy
328 views / 0 likes  addedDavid, 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
333 views / 0 likes  addedUsing rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingrotationsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_campai

08:13
Points After Rotation  Transformations  Geometry  Khan Academy
366 views / 1 likes  addedPoints after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations1?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
232 views / 0 likes  addedDavid 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/thecomma/v/appositivesthecommapunctuationkhanacademy?utm_source=YT&utm

02:46
Defining Rotation Example  Transformations  Geometry  Khan Academy
385 views / 0 likes  addedDefining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/definingrotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

01:48
Using Reflection Tool  Transformations  Geometry  Khan Academy
455 views / 0 likes  addedUsing reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingreflectionsonthecoordinateplane?utm_source=YT&utm_medium=Desc&utm_camp

03:59
Meet the Comma  Punctuation  Grammar  Khan Academy
258 views / 0 likes  addedDavid 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/thecomma/

01:55
Drawing Image Of Translation  Transformations  Geometry  Khan Academy
410 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeotranslations/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
285 views / 0 likes  addedThe 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
257 views / 0 likes  addedApostrophes 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/theapostrophe/e/introductiontothepossessivecase Watch the next lesson: https://www

02:31
Choosing between its and it’s  The Apostrophe  Punctuation  Khan Academy
214 views / 1 likes  addedDavid 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/theapostrophe

10:32
Rotating About Arbitrary Point  Transformations  Geometry  Khan Academy
369 views / 0 likes  addedRotating about arbitrary point Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeorotations/e/rotations2?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
263 views / 0 likes  addedThe 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
485 views / 0 likes  addedDavid, 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
332 views / 0 likes  addedExamples 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/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimal

07:19
Reflecting Segments Over Line  Transformations  Geometry  Khan Academy
338 views / 0 likes  addedReflecting segments over line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/e/reflections1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesso

05:12
Ellipses  Punctuation  Khan Academy
267 views / 0 likes  addedEllipses 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/miscellaneouspunctuation/e/introd

01:32
Formal Translation Tool Example  Transformations  Geometry  Khan Academy
365 views / 0 likes  addedFormal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeotranslations/e/definingtranslations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the

03:00
Appositives  Punctuation  Grammar  Khan Academy
232 views / 0 likes  addedDavid 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/thecomma/e/appositives?utm_source=YT&utm_med

05:41
Points On Line Of Reflection  Transformations  Geometry  Khan Academy
359 views / 0 likes  addedPoints on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hsgeoreflections/e/definingreflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next

03:24
More uses for commas  Punctuation  Grammar  Khan Academy
239 views / 0 likes  addedDavid 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/thecomma/v/c

06:08
Beginning sentences with conjunctions  The parts of speech  Grammar  Khan Academy
232 views / 0 likes  addedIs 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/correlativeconjunctions?utm_source=YT&utm_medium=D

02:18
Salutations and valedictions  Punctuation  Grammar  Khan Academy
206 views / 0 likes  addedDavid 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/thecomma/v/commasinspaceandtimethecommapunctuationkhana

03:36
Introduction to contractions  The Apostrophe  Punctuation  Khan Academy
337 views / 0 likes  addedApostrophes 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/theapostrophe/e/

08:26
Conjugate acidbase pairs  Acids and bases  Chemistry  Khan Academy
242 views / 0 likes  addedIntroduction to conjugate acidbase pairs. Definition and examples of conjugate acidbase 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
291 views / 0 likes  addedIndependent 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/dependentandindependentclauses Wat

03:00
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/thecomma/e/commasindialogue?utm_so

03:32
Three types of sentence  Syntax  Khan Academy
295 views / 0 likes  addedThree 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  PreAlgebra  Khan Academy
377 views / 0 likes  addedOnce 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/prealgebra/decimal

01:51
Punctuating a list  Punctuation  Grammar  Khan Academy
267 views / 0 likes  addedLearn 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/thecomma/e/punctuatinglists?utm_source=YT&utm_medium=

01:51
Possession for words ending in “s”  The Apostrophe  Punctuation  Khan Academy
214 views / 0 likes  addedDo 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/theapostrophe/e/introductiontothepossessivecase Watch the next lesson: https://www.kha

02:52
Three ways to end a sentence  Punctuation  Khan Academy
239 views / 0 likes  addedDavid 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/thecomma/e/threewaystoenda

04:11
Advanced (plural) possession  The Apostrophe  Punctuation  Khan Academy
264 views / 0 likes  addedPaige 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/theapostrophe/e/advanvedpluralpossesion Watch

04:53
Subjectverb agreement  Syntax  Khan Academy
272 views / 0 likes  addedAgreement 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/subjectverbagreement Watc

03:48
Recognizing fragments  Syntax  Khan Academy
214 views / 0 likes  addedA 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
199 views / 0 likes  addedThere 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
Compoundcomplex sentences  Syntax  Khan Academy
374 views / 0 likes  addedCompoundcomplex 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/complexandcompoundcom

06:20
Dashes  Punctuation  Khan Academy
220 views / 0 likes  addedDashes 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/miscellaneouspunctuation/e/introductiontothe

07:37
Introduction to reaction quotient Qc  Chemical equilibrium  Chemistry  Khan Academy
188 views / 0 likes  addedIntroduction 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
246 views / 0 likes  addedLearn 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/thecomma/e/salutationsvaledictionsdatesandaddresses Watch t

02:34
Subjects and predicates  Syntax  Khan Academy
212 views / 0 likes  addedA subject is the noun or pronounbased part of a sentence, and a predicate is the verbbased 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
218 views / 0 likes  addedComplex 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/compoundcomple

04:34
What is a sentence?  Syntax  Khan Academy
201 views / 0 likes  addedA 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
226 views / 0 likes  addedAn 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
287 views / 0 likes  addedA 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
248 views / 1 likes  addedHyphens 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/miscellaneouspunctuation/e/dashesandhyphens Watch the nex

04:09
Parentheses  Punctuation  Khan Academy
187 views / 0 likes  addedParentheses 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
267 views / 0 likes  addedExplore how the value of an algebraic expression changes as the value of its variable changes. The algebraic expressions used in this video are 100x, 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
305 views / 0 likes  addedParallel 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
222 views / 0 likes  addedIn 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/thecomma/e/commasan

05:57
Phrases and clauses  Syntax  Khan Academy
319 views / 0 likes  addedA 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
405 views / 0 likes  addedLearn how to solve missing number problems like ___ + 261 = 630. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccthirdgrademath/cc3rdaddsubtopic/cc3rdaddsubmissingvalue/e/findthemissingnumber

03:40
Comparing Decimals Visually Example  4th Grade  Khan Academy
352 views / 0 likes  addedLearn how to compare decimals using grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimalsvisually/e/comparingdecimalsvisually?utm_source=

04:38
Runons and comma splices  Syntax  Khan Academy
222 views / 0 likes  addedA runon 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 commaandcoordinatingconjunction. Practice this yourself on

05:03
Indefinite Pronouns  The parts of speech  Grammar  Khan Academy
259 views / 0 likes  addedDavid, 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  PreAlgebra  Khan Academy
286 views / 0 likes  addedHere'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/prealgebra/factorsmultiples/

03:13
Using quotation marks in titles  Punctuation  Khan Academy
202 views / 0 likes  addedLearn 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/miscellaneouspunctuation/e/italicsunderlinesandquotes/ Watch the next lesson:

06:55
Place Value For Decimals Greater Than One (examples)  4th Grade  Khan Academy
348 views / 0 likes  addedUnderstand decimal numbers that are greater than 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsgreaterthanone/e/decimalsgreaterthanoneintuition?ut

02:45
Progressive Aspect  The parts of speech  Grammar  Khan Academy
249 views / 0 likes  addedIf 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
244 views / 0 likes  addedIf 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
309 views / 0 likes  addedLearn how to find decimals with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsnumberline/e/decimals_on_the_number_line_2?utm_

04:47
Who versus whom  The parts of speech  Grammar  Khan Academy
220 views / 0 likes  addedWhen 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/thepronoun/e/relativepronouns?utm_source=YT&utm_medium=Desc&u

06:47
Noble Gas Configuration  Electronic Structure Of Atoms  Chemistry  Khan Academy
384 views / 0 likes  addedHow 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
227 views / 0 likes  addedIf 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
257 views / 0 likes  addedLet'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/grammarverbs/e/identifyingverbs?utm_source=YT&utm_medium

02:01
The present tense  The parts of speech  Grammar  Khan Academy
243 views / 0 likes  addedHow do we talk about things that are happening right now? Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammarverbs/v/thepasttenseverbsthepartsofspeech?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Misse

04:33
Coordinating conjunctions  The parts of speech  Grammar  Khan Academy
280 views / 0 likes  addedCoordinating 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/meettheconjunction?utm_source=YT&utm_me

03:15
Personal pronouns  The parts of speech  Grammar  Khan Academy
242 views / 0 likes  addedLet's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/thepronoun/e/meetthepersonalpronoun?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
250 views / 0 likes  addedThis 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/grammarverbs

03:29
Basic Math: Dividing Fractions
380 views / 0 likes  addedBasic 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
380 views / 0 likes  addedDeepen your understanding of decimal numbers by thinking about grid diagrams. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsintro/e/decimalintuitionwith

02:00
The past tense  The parts of speech  Grammar  Khan Academy
274 views / 0 likes  addedWhen 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/grammarverbs/v/thefuturetenseverbsthepartsofspeech?utm_source=YT&utm_medium=

02:55
Emphatic pronouns  The parts of speech  Grammar  Khan Academy
218 views / 0 likes  addedSometimes 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
226 views / 0 likes  addedSome 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/grammarverbs/e/introtoirregular

02:50
The future tense  The parts of speech  Grammar  Khan Academy
264 views / 0 likes  addedWhen 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/grammarverbs/v/linkingverbsthepartsofspeechgrammar?utm_source=YT&utm_medium=Desc&utm_ca

03:12
Correlative conjunctions  The parts of speech  Grammar  Khan Academy
327 views / 0 likes  addedCorrelative 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/correlativeconjuntions?u

05:27
Subordinating conjunctions  The parts of speech  Grammar  Khan Academy
233 views / 0 likes  addedSubordinating 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
245 views / 0 likes  addedMuch 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
254 views / 0 likes  addedIf 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
218 views / 0 likes  addedYou 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/themodif

02:54
Helping verbs  The parts of speech  Grammar  Khan Academy
290 views / 0 likes  addedWe'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
256 views / 0 likes  addedWe 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  PreAlgebra  Khan Academy
473 views / 0 likes  addedSolve 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/prealgebra/fractionsprealg/dividingfractionsprealg

00:59
Average Height Of A Building's Floor  Multiplication And Division  3th Grade  Khan Academy
338 views / 0 likes  addedLearn how to use the Khan Academy number line widget. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccthirdgrademath/cc3rdfractionstopic/cc3rdfractionsonthenumberline/e/fractions_on_the_number_lin

03:46
Testing Whether Area Is Proportional To Side Length  7th Grade  Khan Academy
320 views / 0 likes  addedIs 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/ccseventhgrademath/cc7thratioproportion/cc7thproportionalrel/e/analyzingandide

04:53
Modal verbs  The parts of speech  Grammar  Khan Academy
247 views / 0 likes  addedThere'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
316 views / 0 likes  addedWe 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/thepronoun/

07:00
Abstractness  Introduction To Algebra  Algebra I  Khan Academy
288 views / 0 likes  addedThe general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introductiontoalgebra/overview_hist_alg/v/thebeautyofalgebra?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
303 views / 0 likes  addedThe 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
459 views / 0 likes  addedIn 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
335 views / 0 likes  addedPositive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/slope/v/similartrianglestoprovethattheslopeisconstantforaline?utm_source=YT&utm_medium=Desc&utm_campaign

02:46
Introduction to Grammar  Grammar  Khan Academy
455 views / 0 likes  addedKhan 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
280 views / 0 likes  addedMarbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructingandinterpretinglinearfunctions?utm_s

01:47
Decompose Hundredths On Number Line  Fractions  4th Grade  Khan Academy
607 views / 0 likes  addedLearn 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/ccfourthgrademath/cc4thfractionstopic/cc4thfractionsunlikedenom/e/decomposefraction

12:36 Popular
Math Antics  Volume
945 views / 0 likes  addedLearn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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02:11
Perfect progressive aspect  The parts of speech  Grammar  Khan Academy
217 views / 0 likes  addedWe 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
208 views / 0 likes  addedA 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
219 views / 0 likes  addedA 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/acidsandbasestopic/acidsandbases/v/arrheniusdefinitiono

05:34
Subject and object pronouns  The parts of speech  Grammar  Khan Academy
215 views / 0 likes  addedBefore 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
390 views / 0 likes  addedLearn how to spot mistakes in someone else's work as they attempt to solve onestep equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thequationsandinequalities/cc6thonest

08:52
Linear Models Example 1  Algebra I  Khan Academy
365 views / 0 likes  addedLinear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/linearfunctionsmodeling/e/constructingandinterpretinglinearfunctions?u

04:39
Grammatical person and pronouns  The parts of speech  Grammar  Khan Academy
235 views / 0 likes  addedThere'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
237 views / 0 likes  addedWorked 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/thermodynamicschemistry/internalenergysal/v/specificheatandlatentleatof

07:50
pH and pKa relationship for buffers  Chemistry  Khan Academy
431 views / 0 likes  addedHow the HendersonHasselbalch 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/acidbaseequilibrium/buffersolutions/v/

06:52
Introduction To Partial Pressure  Gases And Kinetic Molecular Theory  Chemistry  Khan Academy
444 views / 0 likes  addedDefinition 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
Twovariable Linear Equations And Their Graphs  Algebra I  Khan Academy
270 views / 0 likes  addedIntroduction to 2variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/v/checkingorderedpairsolutionstoequatio

02:07
Percentage Of A Whole Number  Decimals  PreAlgebra  Khan Academy
258 views / 0 likes  addedWe 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
266 views / 0 likes  addedAn 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
303 views / 0 likes  addedDavid 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/thecomma/e/introductiontotheapostrophe Watch the next lesson: https://www.k

06:56
Exponents And Powers Of Zero Patterns  PreAlgebra  Khan Academy
368 views / 0 likes  addedNow 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/prealgebra

02:40
Interpreting Linear Formulas Example 1  Algebra I  Khan Academy
371 views / 0 likes  addedInterpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/interpreting_linear_functions/e/interpretingfeaturesoflinearfunctions?ut

06:13
Rate constant k from halflife example  Knetics  Chemistry  Khan Academy
202 views / 0 likes  addedExample problem showing how to find the rate constant k from the halflife of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chemkinetics/copyofkinetics/v/secondorderreactionwithcalculus?utm_source=YT&u

07:33
Ways to get a buffer solution  Chemistry  Khan Academy
220 views / 0 likes  addedDescribes 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 vowelshift irregular verb  The parts of speech  Grammar  Khan Academy
237 views / 0 likes  addedThis 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/grammarverbs

04:52
Possessive pronouns  The parts of speech  Grammar  Khan Academy
317 views / 0 likes  addedWe 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
274 views / 0 likes  addedLinear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/interpreting_linear_functions/e/interpretingfeaturesoflinearfunction

03:29
Introduction to irregular verbs  The parts of speech  Grammar  Khan Academy
256 views / 0 likes  addedWords 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
350 views / 0 likes  addedIntroduction to transformations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigidtransformationsintro/e/performingtranslationsonthecoordinateplane?utm_source=YT&utm_medium=De

03:45
Visualizing Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
411 views / 0 likes  addedTo 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/preal

03:04
How To Create A Function From An Equation (example)  Functions  Algebra I  Khan Academy
271 views / 0 likes  addedSal 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/algebrafunctions/functions

07:18
Origins Of Algebra  Introduction To Algebra  Algebra I  Khan Academy
367 views / 0 likes  addedWhere did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introductiontoalgebra/overview_hist_alg/v/abstractness?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
396 views / 0 likes  addedLearn 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/cceighthgrademath/cc8thnumbersoperations/cc8thapproximatingirrationalnumbers/e/approximatingirr

01:49
How To Find Two Function Inputs With The Same Output Given Graph (example)  Khan Academy
319 views / 0 likes  addedSal 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/algebrafunctions/functioninputsandoutputs/e/functions_matching_inp

04:07
Adding And Subtracting Negative Numbers  PreAlgebra  Khan Academy
353 views / 0 likes  addedLearn 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
254 views / 0 likes  addedSal 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/algebrafunctions/functioninputsandoutputs/e/functions_matching_inputs_outputs?utm_

01:07
How To Match Function Input To Output Given The Graph (example)  Algebra I  Khan Academy
280 views / 0 likes  addedSal 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/algebrafunctions/functioninputsandoutputs/e/functions_matching_inputs_outputs?utm_so

01:53
The funky ed irregular verb  The parts of speech  Grammar  Khan Academy
256 views / 0 likes  addedThese 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  PreAlgebra  Khan Academy
404 views / 0 likes  addedSolve 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/prealgebra/fractionsprealg/dividingfractionsprealg

04:10
Approximating With Powers Of 10  Numbers And Operations  8th Grade  Khan Academy
352 views / 0 likes  addedLearn 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/cceighthgrademath/cc8thnumbersoperations/cc8thordersof

03:24
How To Interpret An Expression With Function Notation  Functions  Algebra I  Khan Academy
284 views / 0 likes  addedSal 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/algebrafunctions/interpretingfunctionnotation/e/functionnota

02:41
Multiplying Multiples Of Powers Of 10  Numbers And Operations  8th Grade  Khan Academy
353 views / 0 likes  addedLearn how to multiply (9 * 10^9) (2 * 10^3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cceighthgrademath/cc8thnumbersoperations/cc8thordersofmagnitude/e/ordersofmagnitude?utm_source=YT&utm_m

02:36
How To Interpret An Expression With Function Notation  Functions  Algebra I  Khan Academy
356 views / 0 likes  addedSal 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/algebrafunctions/interpretingfunctionnotation

02:27
Checking Ordered Pair Solutions To Equations Example 2  Algebra I  Khan Academy
287 views / 0 likes  addedSecond example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?utm_so

07:11
Graphing Solutions To Twovariable Linear Equations Example 2  Algebra I  Khan Academy
373 views / 0 likes  addedGraphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/graphingsolutio

03:29
Comparing Decimals Example 1  Decimals  4th Grade  Khan Academy
335 views / 1 likes  addedLearn how to compare decimals with tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thcomparedecimals/e/comparing_decimals_1?utm_source=YT&utm_me

05:38
Decimals As Words  Decimals  4th Grade  Khan Academy
301 views / 0 likes  addedLearn how to describe decimals in words. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thdecimals/cc4thdecimalsintro/e/decimalsinwords?utm_source=YT&utm_medium=Desc&utm_campaign

05:09
Converting From Slopeintercept To Standard Form  Algebra I  Khan Academy
399 views / 0 likes  addedConverting from slopeintercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/standardform/e/converting_between_slope_intercept_and_st

02:35
Checking Ordered Pair Solutions To Equations Example 1  Algebra I  Khan Academy
360 views / 0 likes  addedChecking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/solutionstotwovarlinearequations/e/plugging_in_values?ut

02:32
Comparing Fractions Visually With Pies  Fractions  4th Grade  Khan Academy
339 views / 0 likes  addedComparing fractions visually with pies Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visuallycomparingfractions?utm_source=Y

02:55
Comparing Fractions On A Number Line  Fractions  4th Grade  Khan Academy
421 views / 0 likes  addedComparing fractions on a number line Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visuallycomparingfractions?utm_source=YT&

10:00
Introduction To Number Systems And Binary  PreAlgebra  Khan Academy
277 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/hexadecimalnumbersystem?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.

05:27
Converting Directly From Binary To Hexadecimal  PreAlgebra  Khan Academy
288 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/exponentsradicals/Worldofexponents/v/exponentswarmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/prealgebra/app

03:43
Converting From Decimal To Hexadecimal Representation  PreAlgebra  Khan Academy
289 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/binaryaddition?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
392 views / 0 likes  addedLearn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thexpressionsandvariables/cc6thdistributiveproperty/e/distrib

04:57
Irregular plural nouns  foreign plurals  The parts of speech  Grammar  Khan Academy
281 views / 0 likes  addedYou 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
294 views / 0 likes  addedWhen 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/ccseventhgrademath/cc7thratioproportion/cc7thproportionalre

02:48
Adding In Binary  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
419 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/binarymultiplication?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
301 views / 0 likes  addedLearn why a number raised to the zero power equals 1. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6tharithmeticoperations/cc6thexponents/e/positive_and_zero_exponents?utm_source=Y

02:35
Comparing Fractions Visually With A Bar  Fractions  4th Grade  Khan Academy
336 views / 0 likes  addedLearn how to compare fractions with unlike denominators by drawing bars Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thcomparingfractionsvisually/e/visually

06:06
Equivalent Fractions And Different Wholes  Fractions  4th Grade  Khan Academy
406 views / 0 likes  addedLearn 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/ccfourth

04:11
Decomposing Hundredths Into Tenths And Hundredths  4th Grade  Khan Academy
361 views / 0 likes  addedLearn how to decompose a fraction into tenths and hundredths. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccfourthgrademath/cc4thfractionstopic/cc4thfractionsunlikedenom/e/decomposefractionswith

02:39
Proportionality Between Side Length And Perimeter  7th Grade  Khan Academy
350 views / 0 likes  addedIs 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/ccseventhgrademath/cc7thratioproportion/cc7thproportionalrel/e/analyzingand

03:03
Introduction To Exponents  PreAlgebra  Khan Academy
339 views / 0 likes  addedTaking 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  PreAlgebra  Khan Academy
317 views / 0 likes  addedMore scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/scientificnotation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W

08:30
Multiplying And Dividing Negative Numbers  PreAlgebra  Khan Academy
373 views / 0 likes  addedMultiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolutevalue/abs_value_tutorial/v/absolutevalueandnumberlines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less

07:34
Hexadecimal Number System  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
373 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/decimaltobinary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

03:21
Introduction To Perimeter  Measurement  PreAlgebra  Khan Academy
268 views / 0 likes  addedFind perimeter by adding sidelengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa

09:17
Unit Conversion Within The Metric System  PreAlgebra  Khan Academy
331 views / 0 likes  addedMetric unit conversion Watch the next lesson: https://www.khanacademy.org/math/prealgebra/ratesandratios/metricsystemtutorial/v/convertingwithinthemetricsystem?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http

06:14
How To Plot Inequalities On A Number Line  PreAlgebra  Khan Academy
350 views / 0 likes  addedLearn 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/prealgebra/applyingmathreasoningtopic/greaterthanlessthan/e/writin

03:52
Converting From Decimal To Binary  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
384 views / 0 likes  addedWatch the next lesson: https://www.khanacademy.org/math/prealgebra/applyingmathreasoningtopic/alternatenumberbases/v/largenumberdecimaltobinary?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
435 views / 0 likes  addedComparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccthirdgrademath/cc3rdfractionstopic/cc3rddifferentwholes/e/namingthewhole?utm_source=YT&utm_medium=Desc&utm_ca

04:31
Number Patterns: Interpreting Relationships  PreAlgebra  Khan Academy
305 views / 0 likes  addedExamining 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/prealgebra/applyingmathreasoningtopic/numberpatterns/e/vis

03:27
How To Evaluate Expressions In Two Variables With Decimals And Fractions  6th Grade  Khan Academy
463 views / 0 likes  addedLearn 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/ccsixthgrademath/cc6t

02:57
Banana Proportionality  Rated And Proportional Relationships  7th Grade  Khan Academy
332 views / 0 likes  addedA proportionality problem about eating bananas Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccseventhgrademath/cc7thratioproportion/cc7thproportionalrel/e/analyzingandidentifyingproportionalrela

02:54
How To Describe Realworld Situations With Inequalities  6th Grade  Khan Academy
302 views / 0 likes  addedLearn how to write inequalities to model realworld situation. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/ccsixthgrademath/cc6thequationsandinequalities/cc6thinequalities/e/inequalitiesinonevar

20:48
Introduction To Scientific Notation  PreAlgebra  Khan Academy
408 views / 0 likes  addedIntroduction to scientific notation. An indepth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/scientificnotation/e/sc

10:57
BONUS: History of the possessive apostrophe  The Apostrophe  Punctuation  Khan Academy
294 views / 0 likes  addedDavid, 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/theapostrophe/v/bonushistoryoftheap

03:00
Inverse Property Of Addition  Arithmetic Properties  PreAlgebra  Khan Academy
401 views / 0 likes  addedThe simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/prealgebra/orderofoperations/arithmetic_properties/v/inversepropertyofmultiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M

04:32
How To Solve Onestep Equations With Fractions And Decimals  6th Grade  Khan Academy
596 views / 0 likes  addedLearn how to solve onestep 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/ccsixthgrademath/cc6thequationsandinequalities/cc

03:36
Approximating Irrational Number Exercise Example  PreAlgebra  Khan Academy
305 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/orderofoperations/rationalirrationalnumbers/e/approximatingirrationalnumbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

05:42
Understanding Division Of Fractions  Fractions  PreAlgebra  Khan Academy
382 views / 0 likes  addedUsing 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/prealgebra/fractionsprealg/divfractionsfractionsprealg/e/

05:34
Multiplying Positive And Negative Numbers  PreAlgebra  Khan Academy
333 views / 0 likes  addedLearn 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/absolutevalue/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?

08:13
Prime Numbers  Factors And Multiples  PreAlgebra  Khan Academy
345 views / 0 likes  addedWhat 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  PreAlgebra  Khan Academy
415 views / 1 likes  addedDon'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/prealgebra/fractionsprealg/multiplyin

02:36
Number Patterns: Seeing Relationships  Applying Mathematical Reasoning  PreAlgebra  Khan Academy
340 views / 0 likes  addedLaying 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/prealgebra/applyin

05:20
Order Of Operations: PEMDAS  Arithmetic Properties  PreAlgebra  Khan Academy
322 views / 0 likes  addedWork 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/prealgebra/orderofoperations/order_of_operations/e/order_of_operations

04:20
Dividing A Whole Number By A Decimal  Decimals  PreAlgebra  Khan Academy
376 views / 1 likes  addedWhen 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/prealgebra/decimalsprealg/divi

09:16
Adding/subtracting Negative Numbers  PreAlgebra  Khan Academy
401 views / 0 likes  addedAdding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/prealgebra/negativesabsolutevalueprealg/multdivnegativesprealg/v/multiplyingpositiveandnegativenumbers?utm_source=YT&utm_medium=Desc&utm_campaign=

14:13
Introduction To Ratios  Ratios, Proportions, Units, And Rates  PreAlgebra  Khan Academy
440 views / 0 likes  addedWhat a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/ratesandratios/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
247 views / 0 likes  addedIntroduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamicschemistry/enthalpychemistrysal/v/2015apchemistryfreeresponse7?utm_s

04:17
Introduction To Area And Unit Squares  Measurement  PreAlgebra  Khan Academy
282 views / 0 likes  addedCover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/measurement/areabasics/e/measuringareawithunitsquares?utm_source=YT&utm_medium=Desc&utm_campa

04:25
Multiplying Challenging Decimals  Decimals  PreAlgebra  Khan Academy
297 views / 0 likes  addedSometimes 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

02:04
Comparing Numbers Of Objects  Counting  Early Math  Khan Academy Bangla
349 views / 1 likes  added 
1:10:07
Khan Academy Live: AP Calculus
232 views / 0 likes  addedTaking 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  PreAlgebra  Khan Academy
455 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/radicalradicals/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
257 views / 0 likes  addedWhen 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/themodifier/e/commas

04:16
Least Common Multiple Exercise  Factors And Multiples  PreAlgebra  Khan Academy
356 views / 0 likes  addedWe'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
204 views / 0 likes  addedThe 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/thea

09:43
Exponent Rules Part 1  Exponents, Radicals, And Scientific Notation  PreAlgebra  Khan Academy
391 views / 0 likes  addedIntroduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/exponentproperties/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
290 views / 0 likes  addedLearn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introductiontoalgebra/feelforequationsandinequalit/e/dependentandindependentvariable

02:19
How To Determine The Domain Of A Modeling Function (example With A Function)  Khan Academy
355 views / 0 likes  addedSal 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/algebrafunctions/determiningthedomainofafunction/e/interpreting

02:34
Converting From Standard Form To Slopeintercept Form  Algebra I  Khan Academy
416 views / 0 likes  addedStandard form to slopeintercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/twovarlinearequationsandintrotofunctions/standardform/e/slopefromanequationinstandardform?utm_source=Y

03:27
How To Use The Distributive Property To Factor Out The Greatest Common Factor  Khan Academy
313 views / 0 likes  addedLearn 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/ccsixthgrademath/cc6thexpressionsandvariables/cc6thdistribut

19:37
Smart Math Techniques  Solve maths problems in seconds
376 views / 0 likes  addedTopic 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  PreAlgebra  Khan Academy
506 views / 1 likes  addedHow to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/fractionsunlikedenomprealg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA

04:51
Cube Root Of A Nonperfect Cube  PreAlgebra  Khan Academy
383 views / 0 likes  addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/exponentsradicals/cuberoottutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem

05:51
Equivalent Fractions  Fractions  PreAlgebra  Khan Academy
390 views / 0 likes  addedIntroduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/equivalentfractionsprealg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm

04:33
Multiplying Negative And Positive Fractions  Fractions  PreAlgebra  Khan Academy
377 views / 0 likes  addedSee examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/prealgebra/fractionsprealg/multiplyingfractionsprealg/e/multiplying_fractions?utm_

06:29
Multiplying Decimals: Place Value And Reordering  Decimals  PreAlgebra  Khan Academy
410 views / 0 likes  addedWe 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  PreAlgebra  Khan Academy
384 views / 0 likes  addedThis 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  PreAlgebra  Khan Academy
399 views / 0 likes  addedMultiplying 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  PreAlgebra  Khan Academy
345 views / 0 likes  addedSubtracting 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/prealgebra/decimalsprealg/addingdecimalsprealg/e/subtracting
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