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

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

    266 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

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

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

    228 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

  • 02:00 What is a pronoun? | The parts of speech | Grammar | Khan Academy

    What is a pronoun? | The parts of speech | Grammar | Khan Academy

    231 views / 0 likes - added

    Pronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q

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

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

    263 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

  • 05:38 What Is Antimatter And Why Are We Searching For It?

    What Is Antimatter And Why Are We Searching For It?

    422 views / 1 likes - added

    Scientists have been looking for antimatter since the early 1920’s. Is antimatter real? Did Scientists Create A New State Of Matter? ►►►► http://dne.ws/21MDMS6 Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: Physicists Probe

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

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

    224 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

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

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

    431 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/

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

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

    258 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

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

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

    242 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

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

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

    286 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.

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

    Hexadecimal Number System | 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/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math

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

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

    259 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

    255 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

  • 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

    247 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

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

    Commas and introductory elements | Punctuation | Grammar | Khan Academy

    231 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

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

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

    418 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=

  • 09:36 Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

    353 views / 0 likes - added

    Mysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.

  • 03:10 The NFL Is Using The VICIS ZERO1 Football Helmet That Morphs On Impact To Reduce Head Injuries

    The NFL Is Using The VICIS ZERO1 Football Helmet That Morphs On Impact To Reduce Head Injuries

    328 views / 1 likes - added

    This is not your typical football helmet. VICIS ZERO1 looks like a standard helmet on the outside. But when it hits something, it reacts much differently. Its innovative design is protecting football players' heads. Here's how it works.  When hit, hard-sh

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

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

    319 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

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

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

    297 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

  • 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

    396 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

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

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

    523 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

  • 02:53

    193 views / 0 likes - added

    This Video Teaches the Words "zero, zip, zoo" and How to Say the Lower Case Letter "z" in British English. Learn the Alphabet with our Phonics Series in Lower & Upper Case. DOWNLOAD WORKSHEETS: http://bit.ly/Free-Worksheets Continue Learning with the Busy

  • 02:20 Grace Vanderwaal - Be True to Your School (From the Disney+ Original Film "STARGIRL")

    Grace Vanderwaal - Be True to Your School (From the Disney+ Original Film "STARGIRL")

    62 views / 0 likes - added

    Stream Stargirl, an Original Movie, on Disney+. Disney+ is the ultimate streaming destination for entertainment from Disney, Pixar, Marvel, Star Wars, and National Geographic. Access it all at https://disneymusic.co/JoinDisneyPlus?IQid=dmvevo."Be True to

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

    Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

    408 views / 0 likes - added

    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

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

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

    236 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

  • 18:00 Fun Summer Science!

    Fun Summer Science!

    225 views / 0 likes - added

    The sun is out and Jessi and Squeaks are ready to perform all kinds of fun outdoor science experiments! Let's take a look at some of the fun activities they've done before, like making a kite, building a solar tower, blowing bubbles, and of course, making

  • 04:30 How Much Tea Would it Take to Turn the Boston Harbor into Tea?

    How Much Tea Would it Take to Turn the Boston Harbor into Tea?

    440 views / 0 likes - added

    We wanted to know if enough tea was dumped in Boston harbor during the Boston tea party to turn the entire thing to tea. So we did some math. Subscribe! http://bit.ly/ACSReactions Facebook! http://facebook.com/ACSReactions Twitter! http://twitter.com/ACSR

  • 13:21 Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

    Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

    526 views / 1 likes - added

    Introduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa

  • 12:50 Top 10 Greatest Magic Tricks REVEALED & SECRETS EXPOSED

    Top 10 Greatest Magic Tricks REVEALED & SECRETS EXPOSED

    322 views / 0 likes - added

    The secrets of some of the worlds greatest magic tricks have finally been revealed. Here are the secrets of tricks performed by david copperfield, dynamo, david blaine and even penn and teller! Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ►

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

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

    267 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

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

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

    216 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

  • 04:49 The Black Hole Tipping Point

    The Black Hole Tipping Point

    224 views / 0 likes - added

    Thanks to https://brilliant.org/minutephysics/ for sponsoring this video! Check out their black hole course at https://brilliant.org/minutephysicsblackhole Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters:

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

    Ways to get a buffer solution | Chemistry | Khan Academy

    230 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

  • 13:57 Where US Politics Came From: Crash Course US History #9

    Where US Politics Came From: Crash Course US History #9

    375 views / 0 likes - added

    In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything was new and excit

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  • 03:53 Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

    439 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex

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

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

    276 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/

  • 14:48 Post-World War I Recovery: Crash Course European History #36

    Post-World War I Recovery: Crash Course European History #36

    33 views / 0 likes - added

    In which John Green looks at Europe's attempts to recover from the devastation of World War I and forge a lasting peace. The peace did not last. Today we're talking about the economic cultural recovery of the 1920s, and the economic depression of the 1930

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

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

    357 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

  • 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

    469 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

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

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

    394 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_

  • 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

    397 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

    413 views / 0 likes - added

    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

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

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

    429 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/

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

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

    267 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

  • 05:53 Never-Before-Seen Footage Uncovers Antarctica’s First Scientific Missions

    Never-Before-Seen Footage Uncovers Antarctica’s First Scientific Missions

    217 views / 0 likes - added

    During the Cold War, Antarctica was primed for conquest. Here’s how it became an international science laboratory. This NASA Mission Uses Cold War Planes to Map the World's Largest Island https://www.youtube.com/watch?v=oiQq9kWhGxI Subscribe! https://www.

  • 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

    267 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

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

    Scientific Notation Examples | Pre-Algebra | Khan Academy

    325 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

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

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

    397 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/

  • 09:23 Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

    440 views / 1 likes - added

    How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u

  • 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

    392 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

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

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

    266 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

  • 15:06 Hydrogen Can Be a Metal?! Plus, Other Weird States of Matter (Part 2 of 3)

    Hydrogen Can Be a Metal?! Plus, Other Weird States of Matter (Part 2 of 3)

    182 views / 0 likes - added

    Solids, liquids, and gases are only the beginning. What are the other states of matter? Hint: There are more than you think. Part 1 of 3 - https://youtu.be/58C-gtX6uCY Part 3 of 3 - coming next Thursday! Read More: Matter: Definition & the Five States of

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

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

    333 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

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

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

    275 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

  • 02:38 Adding 5 + 3 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Adding 5 + 3 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    364 views / 0 likes - added

    Learn how to add 5 + 3 + 6. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/adding-three-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath W

  • 00:56 Counting With Small Numbers | Counting | Early Math | Khan Academy

    Counting With Small Numbers | Counting | Early Math | Khan Academy

    394 views / 0 likes - added

    Learn how to count squirrels and horses. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/e/counting-out-1-20-objects?utm_source=YT&utm_medium=Desc&

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

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

    345 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?

  • 09:29 Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

    387 views / 0 likes - added

    The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d

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

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

    428 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

  • 09:15 Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

    464 views / 1 likes - added

    Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb

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

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

    313 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

  • 03:19 Adding 8 + 7 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Adding 8 + 7 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    367 views / 0 likes - added

    Learn how to add 8 + 7 by making a group of ten. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=

  • 05:08 Could a Particle Accelerator Destroy Earth?

    Could a Particle Accelerator Destroy Earth?

    156 views / 0 likes - added

    You may have heard theories that particle accelerators could destroy earth by creating strange matter, an accidental black hole, or by tearing the fabric of spacetime itself. But is there any real science behind these claims? There Are 30,000 Particle Acc

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

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

    330 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

  • 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

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

    453 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

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

    390 views / 0 likes - added

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

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

    361 views / 0 likes - added

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

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    500 views / 0 likes - added

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    Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    363 views / 0 likes - added

    We continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm

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    421 views / 0 likes - added

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

    359 views / 0 likes - added

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

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

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  • 02:28 Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

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    408 views / 0 likes - added

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

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    353 views / 0 likes - added

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  • 03:38 Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    354 views / 0 likes - added

    Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu

  • 04:24 Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

    415 views / 0 likes - added

    If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 02:36 Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

    322 views / 0 likes - added

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  • 04:00 Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

    456 views / 0 likes - added

    To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math

  • 03:53 Adding 7 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Adding 7 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    298 views / 0 likes - added

    Learn how to add 7 + 6 using the number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/addition_2?utm_source=YT&utm_medium=Desc&utm_campaign=Ear

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

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    295 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

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  • 09:45 Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

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

    417 views / 1 likes - added

    Using exponent rules to simplify radicals or square roots 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

  • 03:36 Addition Using Groups Of 10 Intro | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Addition Using Groups Of 10 Intro | Addition And Subtraction Within 100 | Early Math | Khan Academy

    341 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-making-groups-of-ten/e/making-100?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: h

  • 04:03 Subtracting 14 - 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Subtracting 14 - 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

    347 views / 0 likes - added

    Learn how to subtract 14 - 6 by first thinking about subtracting 2 and 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-sub-20/e/subtraction_2?utm_source=YT&u

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

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

    420 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

  • 03:37 Starfish Rulers | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Starfish Rulers | Addition And Subtraction Within 100 | Early Math | Khan Academy

    353 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-4?utm_source=YT&utm_medium=Desc&utm_c

  • 04:49 What's the difference between hibernation and sleep? - Sheena Lee Faherty

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    337 views / 0 likes - added

    Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-s-the-difference-between-hibernation-and-sleep-sheena-faherty The Arctic Ground Squirrel hibernates by burrowing under the permafrost and slipping

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

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

    290 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

  • 07:14 Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

    408 views / 0 likes - added

    How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents

  • 02:36 Counting By Tens Examples | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Counting By Tens Examples | Addition And Subtraction Within 100 | Early Math | Khan Academy

    391 views / 0 likes - added

    Learn to count by tens. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-skip-counting/e/skip-counting-by-10s?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMa

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  • 03:23 Spots On A Die | Addition And Subtraction Within 100 | Early Math | Khan Academy

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    400 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-4?utm_source=YT&utm_medium=Desc&utm_c

  • 00:52 Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    315 views / 0 likes - added

    Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/

  • 02:12 Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

    378 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-3?utm_source=YT&utm_medium=Desc&utm_c

  • 02:50 Adding By Getting To Group Of 10 First | Early Math | Khan Academy

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    377 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-making-groups-of-ten/e/making-100?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: h

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

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    421 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--

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  • 03:59 Adding Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Adding Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy

    391 views / 1 likes - added

    Learn how to add 1, 10, or 100 to a number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens-hundreds/e/add-within-1000--level-1?utm_source=YT&utm

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  • 02:53 More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

    More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

    384 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-3?utm_source=YT&utm_medium=Desc&utm_c

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    Adding Two-digit Numbers Without Regrouping | Early Math | Khan Academy

    395 views / 0 likes - added

    Learn to add 23 + 45 thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-subtract-100/e/addition_3?utm_source=YT&utm_medium=Desc&ut

  • 04:06 Making 5 | Basic Addition And Subtraction | Early Math | Khan Academy

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    417 views / 0 likes - added

    Learn how to add numbers to make 5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-making-5-9/e/making-five?utm_source=YT&utm_medium=Desc&utm_campaign=Earl

  • 02:58 Monkeys For A Party | Place Value (tens And Hundreds) | Early Math | Khan Academy

    Monkeys For A Party | Place Value (tens And Hundreds) | Early Math | Khan Academy

    352 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-teens/e/teen-numbers-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:

  • 04:56 Equal Sign | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Equal Sign | Addition And Subtraction Within 20 | Early Math | Khan Academy

    404 views / 0 likes - added

    Learn what the equals sign really means. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-equals-sign/e/meaning-of-equal-sign-1?utm_source=YT&utm_medium=Desc&utm

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    377 views / 0 likes - added

    In this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi

  • 02:06 Relating Addition And Subtraction | Basic Addition And Subtraction | Early Math | Khan Academy

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    354 views / 0 likes - added

    See the relationship between 2+3=5, 5-2=3, and 5-3=2. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-subtract-10/e/relate-addition-and-subtraction?utm_

  • 04:19 Snow On Friday | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Snow On Friday | Addition And Subtraction Within 100 | Early Math | Khan Academy

    328 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-2?utm_source=YT&utm_medium

  • 02:37 Understanding Place Value When Subtracting Tens | Early Math | Khan Academy

    Understanding Place Value When Subtracting Tens | Early Math | Khan Academy

    373 views / 0 likes - added

    Learn how to subtract 40 from 65 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-with-in-100-level-1?ut

  • 04:25 Using Crayons | Addition And Subtraction Within 100 | Early Math | Khan Academy

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    372 views / 1 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-2?utm_source=YT&utm_medium

  • 03:16 Understanding Place Value While Adding Tens | Early Math | Khan Academy

    Understanding Place Value While Adding Tens | Early Math | Khan Academy

    285 views / 0 likes - added

    Learn how to add 23 + 30 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens/e/add-within-100--level-1?utm_source=YT&u

  • 03:31 Fence Posts For Horses | Addition And Subtraction Within 100 | Early Math | Khan Academy

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    339 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-1?utm_source=YT&utm_medium

  • 05:32 Exercising Gorillas | Addition And Subtraction Within 20 | Early Math | Khan Academy

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    374 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-within-20/e/addition-and-subtraction-word-problems-within-20--level-2?utm_source=YT&utm_medium=Des

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    424 views / 0 likes - added

    We're writing inequalities by using information from the word problems. Woohoo! 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/writing-numeric

  • 01:54 Getting To 10 By Filling Boxes | Basic Addition And Subtraction | Early Math | Khan Academy

    Getting To 10 By Filling Boxes | Basic Addition And Subtraction | Early Math | Khan Academy

    406 views / 0 likes - added

    Learn how to add two numbers to make 10. This video shows two examples: 3 + ___ = 10 and 6 + ___ = 10. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-make-

  • 03:38 Sea Monsters And Superheroes | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Sea Monsters And Superheroes | Addition And Subtraction Within 20 | Early Math | Khan Academy

    389 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-within-20/e/addition-and-subtraction-word-problems-within-20--level-1?utm_source=YT&utm_medium=Des

  • 03:39 Introduction To Subtraction | Basic Addition And Subtraction | Early Math | Khan Academy

    Introduction To Subtraction | Basic Addition And Subtraction | Early Math | Khan Academy

    373 views / 0 likes - added

    Learn what it means to subtract. The examples used in this video are 4-3 and 5-2. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/subtractio

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

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

    370 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

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

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

    385 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

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

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

    297 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/

  • 02:49 Skip Counting By 100 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Skip Counting By 100 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy

    405 views / 0 likes - added

    Learn to count by hundreds. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-skip-counting/e/skip-counting-by-100s?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

  • 02:49 Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

    318 views / 0 likes - added

    It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac

  • 02:55 Place Value Example With 25 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    Place Value Example With 25 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    375 views / 0 likes - added

    Learn to see 25 as 2 tens and 5 ones. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-tens/e/groups-of-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

  • 02:10 Subtract Tens Exercise | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Subtract Tens Exercise | Addition And Subtraction Within 100 | Early Math | Khan Academy

    363 views / 0 likes - added

    Learn how to add and subtract tens. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

  • 11:58 The Biggest Science of the DECADE (2010-2019)

    The Biggest Science of the DECADE (2010-2019)

    48 views / 0 likes - added

    A decade in review: the black hole, crispr pigs, DIY elephant toothpaste? What was the biggest science stories of 2010 - 2019. Subscribe for videos next DECADE! http://bit.ly/asapsciCreated by: Mitchell Moffit and Gregory BrownFOLLOW US!GregInstagram: htt

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

    Drawing Image Of Translation | Transformations | Geometry | Khan Academy

    428 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

  • 04:19 Place Value Example With 42 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    Place Value Example With 42 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    422 views / 0 likes - added

    Learn to see 42 as 4 tens and 2 ones. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-tens/e/groups-of-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea

  • 02:05 Skip Counting By 5 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Skip Counting By 5 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy

    383 views / 0 likes - added

    Learn to count by fives. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-skip-counting/e/skip-counting-by-5s?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMa

  • 05:05 Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

    281 views / 0 likes - added

    We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r

  • 02:45 Understanding Place Value While Subtracting Ones | Early Math | Khan Academy

    Understanding Place Value While Subtracting Ones | Early Math | Khan Academy

    356 views / 0 likes - added

    Learn how to subtract 4 from 46 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-with-in-100-level-1?utm

  • 04:28 Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

    Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

    373 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/adding-and-subtracting-on-the-number-line-word-problems?utm_source=YT&utm_medium=De

  • 04:11 Popular Subtracting Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Subtracting Ten Or One Hundred | Addition And Subtraction Within 100 | Early Math | Khan Academy

    878 views / 0 likes - added

    Learn how to subtract 1, 10, or 100 from a number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens-hundreds/e/subtract-within-1000--level-1?utm_s

  • 03:23 Comparison Word Problems | Addition And Subtraction Within 20 | Early Math | Khan Academy

    Comparison Word Problems | Addition And Subtraction Within 20 | Early Math | Khan Academy

    365 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-word-problems-more-fewer-20/e/addition-and-subtraction-word-problems-within-20--level-3?utm_source=YT&utm_medium

  • 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

    365 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

  • 02:36 Understanding Place Value When Adding Ones | Early Math | Khan Academy

    Understanding Place Value When Adding Ones | Early Math | Khan Academy

    338 views / 0 likes - added

    Learn how to add 37 + 2 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens/e/add-within-100--level-1?utm_source=YT&ut

  • 08:34 LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

    377 views / 1 likes - added

    Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it. Practice this lesson yourself on KhanAcademy.org right now: ht

  • 02:17 Pieces Of Fruit | Basic Addition And Subtraction | Early Math | Khan Academy

    Pieces Of Fruit | Basic Addition And Subtraction | Early Math | Khan Academy

    484 views / 0 likes - added

    Learn how to add fruit (by putting fruit together) and sutract fruit (by taking fruit away). Examples used are 5+3 and 5-3. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basic

  • 03:00 Teens As Sums With 10 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    Teens As Sums With 10 | Place Value (tens And Hundreds) | Early Math | Khan Academy

    375 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-teens/e/teen-numbers-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:

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

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

    426 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

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

    Positive And Negative Slope | Algebra I | Khan Academy

    344 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

  • 03:37 Adding Hundreds, Tens, And Ones | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Adding Hundreds, Tens, And Ones | Addition And Subtraction Within 100 | Early Math | Khan Academy

    521 views / 0 likes - added

    Learn how to add three-digit numbers by adding ones, tens, and hundreds. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens-hundreds/e/add-within-10

  • 15:33 Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

    Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

    427 views / 0 likes - added

    In which John Green teaches you about the end of World History, and the end of the world as we know it, kind of. For the last hundred years or so, it seemed that one important ingredient for running an economically successful country was a western-style d

  • 02:00 Adding To 10 | Basic Addition And Subtraction | Early Math | Khan Academy

    Adding To 10 | Basic Addition And Subtraction | Early Math | Khan Academy

    414 views / 0 likes - added

    Learn that if we have 3 bananas, then we need 7 more bananas to make 10 bananas. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-make-10/e/making-ten-2?utm_

  • 03:11 Introduction To Addition | Basic Addition And Subtraction | Early Math | Khan Academy

    Introduction To Addition | Basic Addition And Subtraction | Early Math | Khan Academy

    342 views / 0 likes - added

    Learn what it means to add. The examples used in this video are 1+1 and 2+3. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/addition_1?utm_

  • 03:33 Losing Tennis Balls | Addition And Subtraction Within 100 | Early Math | Khan Academy

    Losing Tennis Balls | Addition And Subtraction Within 100 | Early Math | Khan Academy

    363 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-1?utm_source=YT&utm_medium

  • 05:57 What Tardigrades Can Teach Us About Life in the Rainforest

    What Tardigrades Can Teach Us About Life in the Rainforest

    164 views / 0 likes - added

    Dr. Meg Lowman climbs hundreds of feet off the ground to reach ecosystems at the very top of the rainforest. Her research sheds new light on these extremely diverse communities of plants and animals, from sloths to butterflies to tiny tardigrades. Experie

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

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

    280 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

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

    Points After Rotation | Transformations | Geometry | Khan Academy

    380 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

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

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

    310 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

  • 03:38 What Would Happen If All The Bugs Died?

    What Would Happen If All The Bugs Died?

    281 views / 0 likes - added

    Insects might seem annoying, but what happens if they all died off? Watch More: When Did Multicellular Life Begin? ►►►► https://www.youtube.com/watch?v=I2ZHMeF9dgA Get your exclusive Life Noggin merch: http://www.keeponthinking.co Support Life Noggin on P

  • 07:51 Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

    354 views / 0 likes - added

    Volume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org

  • 02:27 Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

    317 views / 0 likes - added

    This time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to

  • 3:22:44 Were Swimming With Turtles (Again!)

    Were Swimming With Turtles (Again!)

    30 views / 0 likes - added

    Strap on your flippersthe TurtleCam is back! Were taking another deep dive with green sea turtles off the coast of the Bahamian island of Eleuthera. The camera was placed on the turtles back by biologist Nathan Robinson and his team at the Cape Eleuthera

  • 01:58 Counting In Order | Counting | Early Math | Khan Academy

    Counting In Order | Counting | Early Math | Khan Academy

    379 views / 0 likes - added

    Learn how to count without making mistakes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/e/counting-objects?utm_source=YT&utm_medium=Desc&utm_ca

  • 12:33 Cryptography: Crash Course Computer Science #33

    Cryptography: Crash Course Computer Science #33

    284 views / 0 likes - added

    Today we’re going to talk about how to keep information secret, and this isn’t a new goal. From as early as Julius Caesar’s Caesar cipher to Mary, Queen of Scots, encrypted messages to kill Queen Elizabeth in 1587, theres has long been a need to encrypt a

  • 04:32 Cyborg Cockroaches Could Save Your Life | Cyborg Nation

    Cyborg Cockroaches Could Save Your Life | Cyborg Nation

    339 views / 0 likes - added

    Most consider them pesky critters, but Dr. Alper Bozkurt of North Carolina State University thinks that cockroaches have the potential to save human lives. By hacking their antennae and transforming them into remote-controlled creatures, he believes we ca

  • 03:06 Will Robot Spy Gorilla Be Welcomed By The Great Silverback?

    Will Robot Spy Gorilla Be Welcomed By The Great Silverback?

    46 views / 0 likes - added

    "Spy in the Wild 2" While a young mountain gorilla just wants to play with our Spy Gorilla will the Silverback be so welcoming? Spy Gorilla offers a hand Of friendship! ***DON'T FORGET TO SUBSCRIBE OUR CHANNEL*** For those in the UK you can watch the 1st

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

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

    352 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

  • 01:54 Missing Numbers Between 0 And 120 | Counting | Early Math | Khan Academy

    Missing Numbers Between 0 And 120 | Counting | Early Math | Khan Academy

    410 views / 0 likes - added

    Learn how to find missing numbers between 0 and 120. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-numbers-120/e/count-to-100?utm_source=YT&utm_medium=Des

  • 04:58 Number Grid | Counting | Early Math | Khan Academy

    Number Grid | Counting | Early Math | Khan Academy

    359 views / 0 likes - added

    In our introductory video to counting, Sal goes through all the numbers from 0 to 100, so we can start to see some interesting patterns. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-

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

    Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy

    383 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:

  • 04:31 Counting American Coins | Measurement And Data | Early Math | Khan Academy

    Counting American Coins | Measurement And Data | Early Math | Khan Academy

    379 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-money/v/counting-dollars?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: htt

  • 05:59 Introduction To Place Value | Place Value (tens And Hundreds) | Early Math | Khan Academy

    Introduction To Place Value | Place Value (tens And Hundreds) | Early Math | Khan Academy

    369 views / 0 likes - added

    Learn why we use a "ones place" and a "tens place" when writing numbers. This video uses the number 37 as an example. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/c

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

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

    409 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

  • 12:29 Combinatorics and Higher Dimensions - Numberphile

    Combinatorics and Higher Dimensions - Numberphile

    156 views / 0 likes - added

    Featuring Federico Ardila from San Francisco State University - filmed at MSRI. More links & stuff in full description below ↓↓↓ Federico previously on Numberphile: https://www.youtu.be/OfEv5ZdSrhY Federico's webpage: http://math.sfsu.edu/federico/ Antarc

  • 02:37 Order By Length | Measurement And Data | Early Math | Khan Academy

    Order By Length | Measurement And Data | Early Math | Khan Academy

    399 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-length-intro/e/order-by-length?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesso

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

    Defining Rotation Example | Transformations | Geometry | Khan Academy

    397 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

  • 02:03 Comparing Numbers Of Objects | Counting | Early Math | Khan Academy

    Comparing Numbers Of Objects | Counting | Early Math | Khan Academy

    404 views / 1 likes - added

    Learn what "more than" and "less than" mean. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/compare-groups-through-10?utm_source=YT&utm

  • 02:04 Compose Shapes | Geometry | Early Math | Khan Academy

    Compose Shapes | Geometry | Early Math | Khan Academy

    373 views / 0 likes - added

    Learn how to combine shapes to make other shapes. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-composing-shapes/e/compose-shapes?utm_source=YT&utm_medium

  • 07:08 Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

    395 views / 0 likes - added

    Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI

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

    Reflecting Segments Over Line | Transformations | Geometry | Khan Academy

    349 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

  • 03:40 Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

    379 views / 0 likes - added

    First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi

  • 03:33 Why Poor Places Are More Diverse

    Why Poor Places Are More Diverse

    415 views / 0 likes - added

    Thanks to The Kwongan Foundation at the University of Western Australia for supporting this video: http://www.plants.uwa.edu.au/alumni/kwongan MinuteEarth is now on Patreon! Please support us at: http://www.patreon.com/minuteearth And subscribe! - http://

  • 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

    371 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

  • 04:09 The $18 Million Problem Hiding Underground

    The $18 Million Problem Hiding Underground

    96 views / 0 likes - added

    This is one challenge that's costing cities millions of dollars each year.Go to http://expressvpn.com/lifenoggin to take back your Internet privacy TODAY and find out how you can get 3 months free. Subscribe: https://bit.ly/SubLifeNoggin | Get your exclus

  • 02:57 Reading Bar Graph Examples | Measurement And Data | Early Math | Khan Academy

    Reading Bar Graph Examples | Measurement And Data | Early Math | Khan Academy

    331 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-bar-graphs/e/solving-problems-with-bar-graphs-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat

  • 03:47 Will Your Country Be The First To Sink?

    Will Your Country Be The First To Sink?

    142 views / 0 likes - added

    Sea levels are rising, but what does that mean for where you live? What does that mean for the world? With the oceans expanding on to land, which countries need to start preparing to lose their beaches. ► Technology in 100 Years?: https://www.youtube.com/

  • 03:52 Ben Eater Eats The Numbers | Counting | Early Math | Khan Academy

    Ben Eater Eats The Numbers | Counting | Early Math | Khan Academy

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    Counting Dollars | Measurement And Data | Early Math | Khan Academy

    383 views / 0 likes - added

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

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  • 14:28 1984 by George Orwell, Part 1: Crash Course Literature 401

    1984 by George Orwell, Part 1: Crash Course Literature 401

    257 views / 0 likes - added

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    Counting In Pictures | Counting | Early Math | Khan Academy

    374 views / 0 likes - added

    Learn how to count the number of objects you see in pictures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-count-object-topic/e/counting-in-scenes?utm_so

  • 03:51 How to Build a Teleporter with Aliens

    How to Build a Teleporter with Aliens

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    The first 200 people to use http://skl.sh/minutephysics30 get 30% off a premium Skillshare subscription. Support MinutePhysics on Patreon! http://www.patreon.com/minutephysics Link to Patreon Supporters: http://www.minutephysics.com/supporters/ This video

  • 04:00 Why cities are full of uncomfortable benches

    Why cities are full of uncomfortable benches

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    That bench won't be yours forever. Subscribe to our channel! http://goo.gl/0bsAjO When designing urban spaces, city planners have many competing interests to balance. After all, cities are some of the most diverse places on the planet. They need to be bui

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    Subtracting Hundreds, Tens, And Ones | Early Math | Khan Academy

    434 views / 0 likes - added

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  • 01:31 Comparing Small Numbers On The Number Line | Counting | Early Math | Khan Academy

    Comparing Small Numbers On The Number Line | Counting | Early Math | Khan Academy

    366 views / 0 likes - added

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    376 views / 0 likes - added

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    Telling Time Exercise Example 2 | Measurement And Data | Early Math | Khan Academy

    356 views / 0 likes - added

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    Formal Translation Tool Example | Transformations | Geometry | Khan Academy

    380 views / 0 likes - added

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    Measuring Lengths 2 | Measurement And Data | Early Math | Khan Academy

    370 views / 0 likes - added

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    Count By Category | Counting | Early Math | Khan Academy

    356 views / 0 likes - added

    Learn to count the number of things in different categories. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/sort-groups-by-count?utm_so

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    Solving Problems With Bar Graphs 2 | Measurement And Data | Early Math | Khan Academy

    350 views / 0 likes - added

    Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-bar-graphs/e/solving-problems-with-bar-graphs-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat


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