Search Results: "british museum"
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36:40
Navy SEAL Astronauts - Smarter Every Day 243
354 views / 0 likes - addedGet 1st Audiobook + access to monthly selection of Audible Originals for free when you try Audible for 30 days https://www.audible.com/smarter or TXT smarter to 500500Click here if you're interested in subscribing: http://bit.ly/Subscribe2SED Click below
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07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy
1,095 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/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
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13:32
The Strange Universe of Gravitational Lensing | Space Time | PBS Digital Studios
497 views / 1 likes - addedIs what we see in the night sky a true representation of our universe? Find out about Gravitational Lensing in this episode and even more about it in the documentary that Matt made together with the Museum of Natural History:Distant Quasars: Shedding Ligh
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07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy
834 views / 0 likes - addedHow the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
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04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy
938 views / 0 likes - addedWatch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
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05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy
870 views / 0 likes - addedWatch Sal work through a harder Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=
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02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy
1,148 views / 0 likes - addedWatch Sal work through a basic Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=N
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03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy
749 views / 0 likes - addedWatch Sal work through a harder Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT
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03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy
1,106 views / 0 likes - addedWatch Sal work through a basic Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
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04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy
2,504 views / 0 likes - addedWatch Sal work through a basic Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-harder?utm_source=YT&utm_medium=Desc&utm_campai
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02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy
1,345 views / 0 likes - addedWatch Sal work through a harder Center, spread, and shape of distributions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-easier?utm_source=YT&utm_medium=Desc
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03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy
911 views / 1 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/the-comma/
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03:36 Popular
The Golden Record Decoded (360 Video)
796 views / 1 likes - addedNOTE: This is a 360/VR video but you do not a VR viewer to experience the 360 viewpoint- just click around the video! In 1977, NASA launched Voyager 1 and 2 to explore and document our solar system and the interstellar space beyond. The craft will drift f
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05:16
Is Chandigarh a perfectly planned city? - Vikramditya Praksh
47 views / 0 likes - addedExplore the construction of the futurist city Chandigarh, a project of Prime Minister Jawaharlal Nehru and planned by Le Corbusier.--In 1947, India achieved independence from British rule but this freedom came at a tremendous cost. Jawaharlal Nehru, India
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03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy
1,170 views / 1 likes - added“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
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11:31 Popular
Will Robots Make Us More Human?
994 views / 0 likes - addedTwitter: https://twitter.com/VsauceTwo Huge Thanks To British Pathé http://www.britishpathe.com/ *** Sources & Links *** BOOKS Working by Studs Terkel http://goo.gl/ZoAqnr Science And Technology In World History by James E. McClellan, Harold Dorn http://g
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04:47
Who versus whom | The parts of speech | Grammar | Khan Academy
597 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/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
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03:00
Appositives | Punctuation | Grammar | Khan Academy
632 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/the-comma/e/appositives?utm_source=YT&utm_med
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03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy
654 views / 0 likes - addedLet's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
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03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy
1,015 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/correlative-conjuntions?u
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05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy
1,247 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
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01:51
Punctuating a list | Punctuation | Grammar | Khan Academy
584 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/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
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07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy
1,208 views / 0 likes - addedWhere did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
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02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy
1,034 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/grammar-verbs/e/intro-to-irregular
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06:48
How Will We Get To Mars? | Let's Explore Mars! | SciShow Kids
74 views / 0 likes - addedMars has a ton of amazing features waiting to be explored, but we have to get there first. Thanks to our partners at the Boston Museum Of Science for helping us think about everything we need to plan a trip!Interested in learning more from the Museum of S
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05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy
589 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/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
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05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy
1,134 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
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02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy
1,152 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
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03:26 Popular
The Greatest Showman ['Never Enough' Lyric Video in HD (1080p)]
1,863 views / 0 likes - addedYou’ve never heard a show like this before. Never enough. #LyricVideo #GreatestShowman #Soundtrack #RebeccaFerguson Get your tickets to the #GreatestShowmanMovieSG here: http://bit.ly/TGSMSIN [PG] "THE GREATEST SHOWMAN” is a bold and original
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02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy
539 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
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02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy
893 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://
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05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy
1,285 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
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03:09 Popular
Why The Moon Turns Red During A Total Lunar Eclipse
801 views / 0 likes - addedIf the moon is in Earth's shadow during a lunar eclipse, how can we still see it? And why does it turn red? The answer has to do with our own terrestrial sunrises and sunsets. Tech Insider tells you all you need to know about tech: gadgets, how-to's, gami
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02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy
1,078 views / 0 likes - addedPronouns 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
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03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy
591 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/grammar-verbs
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02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy
528 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
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01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy
608 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
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05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy
1,088 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
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05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy
874 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
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08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy
1,841 views / 0 likes - addedMultiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
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01:59
Albino Alligator I We Bare Bears I Cartoon Network
686 views / 1 likes - addedOn a day out with just Ice Bear, Chloe realizes Ice Bear only runs errands for his brothers. Determined to show him a fun day in the city, Chloe promises to help Ice Bear have a good time, even if it means staying in a museum after it closes. CN GAMES: ht
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07:43 Popular
Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy
1,298 views / 1 likes - addedIntroduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/addition-subtraction/basic_addition/e/addition_1?utm_source=YT&utm_medium=Desc&ut
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05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy
531 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
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03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy
1,190 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/grammar-verbs
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09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy
1,881 views / 0 likes - addedMetric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http
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04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy
531 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/the-comma/e/commas-an
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04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy
1,472 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
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04:02
Could Neural Lace Connect Our Brains To The Internet?
539 views / 0 likes - addedElon Musk is funding research towards "neural lace," a brain computer interface technology that could allow our brains to compete with AI. Robots Can Now Sense Your Emotions Via Radio Waves - https://youtu.be/fsrpK7Dra08 Sign Up For The Seeker Newsletter
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02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy
689 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
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03:07 Popular
Nature's Scuba Divers: How Beetles Breathe Underwater | Deep Look
713 views / 1 likes - addedBugs and beetles can’t hold their breath underwater like we do. But some aquatic insects can spend their whole adult lives underwater. How do they do it? Meet nature’s Scuba divers. They carry their air with them—in some cases, for a lifetime. SUBSCRIBE t
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04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy
874 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
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02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,037 views / 0 likes - addedWatch 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/
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01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy
575 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
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08:12
The invention that fixed lighthouses
300 views / 0 likes - addedThe most important part of a lighthouse might be one of the beautiful tools hidden inside: the Fresnel lens, a breakthrough that changed seafaring and saved lives.As the above video shows, these lenses satisfied a need for lighthouses that could shine far
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07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,100 views / 0 likes - addedWatch 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
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03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy
1,789 views / 0 likes - addedThe simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
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10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy
615 views / 0 likes - addedWatch 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.
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07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy
1,260 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
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01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy
811 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/
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03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy
1,435 views / 0 likes - addedWatch 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
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03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,519 views / 0 likes - addedWatch 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
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03:51
We Found Another State of Matter: The Supersolid!
638 views / 0 likes - addedScientists have created, yet another state of matter called a supersolid! But what is it, and what does it do? There's A New Form Of Matter That Exists In Four Dimensions! - https://youtu.be/TjVi5L7cYLQ Sign Up For The Seeker Newsletter Here - http://bit.
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06:50
How to Find a Meteorite!
269 views / 0 likes - addedMaybe you've seen a shooting star, a bright streak of light that zips across the sky! But did you know that those shooting stars are actually rocks falling from space? And sometimes you can find them on the ground! Find out how with Anthony and Sam!------
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06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy
890 views / 0 likes - addedWe'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the
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04:29
Everything It Takes to Engineer the World’s Longest Sea Bridge
473 views / 0 likes - added120 years. That’s how long engineers want the Hong Kong-Zhuhai-Macau Bridge to last. Given the suspension cables, artificials islands, and even an underground tunnel, the HZMB just might. Can We Power the World With a Single Energy Grid? - https://youtu.b
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01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy
572 views / 1 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
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04:43
Subject, direct object, and indirect object | Syntax | Khan Academy
664 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
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06:53 Popular
What Is A Species?
2,053 views / 0 likes - addedNew species of lifeforms are being discovered and described on our planet every single day -- but, when we talk about a species, what are we really referring to? Turns out, the answer is... complicated. This video is by no means comprehensive. Species con
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03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy
568 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
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11:05
Rare Things You’d Be Lucky To See Once In Your Life
700 views / 1 likes - addedOur world is full of wonders and sights to see but some things are so rare that only a few people have ever seen them. Here are some rare things you may never get the opportunity to see in person. Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated
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04:31 Popular
Why Aren't Modern Animals As Large As Dinosaurs?
868 views / 2 likes - addedSince the prehistoric age, we haven't seen any animals as big as dinosaurs. So just how did dinosaurs get so big? Watch new episodes of River Monsters, every Thursday at 9/8c on Animal Planet! How Did Dinosaurs Evolve Into Birds? ►►►► http://dne.ws/1zUP5b
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09:18
Is the Cure for Superbugs Hiding Deep Under the Earth?
382 views / 0 likes - addedDr. Naowarat "Ann" Cheeptham is combing cave systems for brand new bacteria that may hold the answer to the growing crisis of drug-resistant infections. How NASA’s Rover Team Reimagined Mars 2020 - https://youtu.be/O9YBPRF3o5w Read More Another outbreak i
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04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy
670 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
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08:33 Popular
GLOW ROCKS
889 views / 3 likes - addedIt's a GLOW ROCK DANCE PARTY! This video is best watched in the dark! p.s. I've never actually been to a real dance party and had to Google "what are raves like" - turns out they're nothing like this, which is too bad, because this video was a ton of fun
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32:37
What Jumping Spiders Teach Us About Color
30 views / 0 likes - addedHow jumping spiders reveal an entire secret world of colors. Let BetterHelp connect you to a therapist who can support you - all from the comfort of your own home. Visit https://betterhelp.com/veritasium and enjoy a special discount on your first month.A
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30:08
I Got An 18th Century Makeover
96 views / 0 likes - addedFinally, the video we've all been waiting for... the one where I get to return to Colonial Williamsburg after ~20 years!! As some of you guys might know, I bring up Colonial Williamsburg *a lot*, as it left a big impression on me as a child - so we decide
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03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,769 views / 0 likes - addedPractice 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
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09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy
2,221 views / 0 likes - addedMysterious 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.
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01:53 Popular
In Ancient Egypt, Even Boats Had Their Own Tombs | National Geographic
2,427 views / 0 likes - addedArchaeologists recently discovered an ancient Egyptian boat burial site dating more than 3,800 years old. National Geographic grantee and Penn Museum Associate Curator Josef Wegner and his team made the discovery while excavating the tomb of 12th Dynasty
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18:40
The Ridiculous Way We Used To Calculate Pi
368 views / 0 likes - addedFor thousands of years, mathematicians were calculating Pi the obvious but numerically inefficient way. Then Newton came along and changed the game. This video is sponsored by Brilliant. The first 314 people to sign up via https://brilliant.org/veritasium
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09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,356 views / 0 likes - addedAdding 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=
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13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy
1,831 views / 2 likes - addedIntroduction 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
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04:57
Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy
642 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
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12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy
1,167 views / 0 likes - addedMore 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
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05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
2,134 views / 0 likes - addedIntroduces 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
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03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy
788 views / 0 likes - addedFind 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
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00:56 Popular
Counting With Small Numbers | Counting | Early Math | Khan Academy
896 views / 0 likes - addedLearn 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&
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05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy
1,914 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/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations
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03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy
1,513 views / 0 likes - addedPractice 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
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09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy
2,133 views / 1 likes - addedHow 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
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07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy
641 views / 0 likes - addedThe general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
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03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy
1,373 views / 0 likes - addedPractice 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
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04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy
1,280 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem
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04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy
884 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/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_
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01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy
1,093 views / 1 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/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting
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02:28 Popular
Drawing Line Of Reflection | Transformations | Geometry | Khan Academy
1,052 views / 0 likes - addedDrawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www
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05:08
Could a Particle Accelerator Destroy Earth?
489 views / 0 likes - addedYou 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
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11:09
The Nuclear Waste Problem
453 views / 0 likes - addedGet smart with Brilliant for 20% off by being one of the first 500 people to sign up at http://brilliant.org/wendover Subscribe to Half as Interesting (The other channel from Wendover Productions): https://www.youtube.com/halfasinteresting Check out my po
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28:44
The Search for Life
470 views / 0 likes - addedAre we alone in the universe? This is a fundamental question that intrigues us all. On September 21, 2016, NASA scientists and stakeholders came together at the Smithsonian National Air and Space Museum for a presentation on the agency’s search for life b
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02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy
1,530 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
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05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy
1,383 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/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?
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20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy
1,959 views / 0 likes - addedIntroduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
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06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy
1,395 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/
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03:38 Popular
Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
720 views / 0 likes - addedPart 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
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09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,593 views / 0 likes - addedIntroduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the
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02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy
1,949 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/
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03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy
1,561 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
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11:24
5 IMPOSSIBLE Magic Tricks You Can Do!
464 views / 3 likes - addedLearn how you can amaze your friends and family with easy magic tricks anyone can do! Step by step instructions teach you how to perform magic illusions with playing cards, money and more! Be sure to watch the entire video to learn the secrets to the magi
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04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy
1,645 views / 1 likes - addedTo 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
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05:41 Popular
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
712 views / 0 likes - addedWe 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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08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy
1,169 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
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09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy
2,141 views / 2 likes - addedHow 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
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01:28
Amanda Hunt on Xu Zhen: In Just a Blink of an Eye
389 views / 0 likes - addedThe Museum of Contemporary Art has acquired a performance piece titled In Just a Blink of an Eye by Chinese artist Xu Zhen. The work will be on view at MOCA’s Grand Avenue location every Saturday and Sunday beginning July 27 through September 1. Xu
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09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,587 views / 1 likes - addedUsing 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
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14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy
1,959 views / 0 likes - addedWhat a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
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09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy
1,802 views / 2 likes - addedConverting 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
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02:37 Popular
Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?
797 views / 0 likes - addedHow hard are math tests? A survey asked 2,000 UK adults to answer sample GCSE test questions intended for 15 year old students. On average, the survey questions were missed by about 40% of adults. Can you solve them? The video presents 2 questions that ma
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04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy
1,602 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/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa
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03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy
1,176 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
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04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy
1,749 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/pre-algebra/decimals-pre-alg/divi
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08:01 Popular
8 Planets, 8 Experiments, 8 Minutes! | Maddie Moate
855 views / 0 likes - added8 Planets, 8 Experiments, 8 Minutes! Thank you so much to Eureka! The National Children's Museum for having me come and film their awesome space. It's an absolute honour to join the Eureka team as an ambassador in celebration of their 25th birthday! I can
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05:28
Why movies tilt the camera like this
218 views / 0 likes - addedThe Expressionist origins of the "Dutch angle."Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjOThe Dutch angle (also called the Dutch tilt, canted angle, or oblique angle) is a filmmaking technique that involves setti
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07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,626 views / 0 likes - addedHow 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
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12:50 Popular
Top 10 Greatest Magic Tricks REVEALED & SECRETS EXPOSED
1,806 views / 0 likes - addedThe 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 ►
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05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy
1,220 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/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
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09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy
1,082 views / 0 likes - addedThe 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
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06:18
Why the pope dresses like that
138 views / 0 likes - addedThe hidden meaning behind Pope Franciss clothes.Subscribe and turn on notifications so you don't miss any videos: http://goo.gl/0bsAjOThe pope is one of the most recognizable figures in the world, in large part because of the clothes he wears: all white,
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05:02 Popular
Positive And Negative Slope | Algebra I | Khan Academy
1,549 views / 0 likes - addedPositive 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
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08:09
This Family Owns the Lights of Hollywood
45 views / 0 likes - addedStep into the neon world of 'God's Own Junkyard', where words come to life in vibrant, dazzling and electrifying ways! Nestled in an unsuspecting warehouse in East London, this neon haven is more than just a workshopit's a shrine to the art of imagination
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04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy
965 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
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03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,663 views / 0 likes - addedWe'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
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06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy
1,524 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/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin
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03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy
1,258 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/pre-algebra/decimal
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06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy
1,118 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/pre-algebra
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00:52 Popular
Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,376 views / 0 likes - addedLet'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/
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05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy
887 views / 0 likes - addedWe'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
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04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy
1,541 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/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis
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02:58 Popular
Monkeys For A Party | Place Value (tens And Hundreds) | Early Math | Khan Academy
706 views / 0 likes - addedPractice 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:
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03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy
1,667 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/pre-algebra/fractions-pre-alg/multiplyin
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04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy
1,142 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
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07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy
886 views / 0 likes - addedFun 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
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01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy
1,940 views / 0 likes - addedIn 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
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08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy
2,051 views / 0 likes - addedIntroduction 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
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04:58 Popular
Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy
1,472 views / 0 likes - addedComparing 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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13:08
Why Apollo Astronauts Trained at a Nuclear Test Site
295 views / 0 likes - addedApollo astronauts trained in nuclear bomb craters at the Nevada National Security Site. But why?Thanks Audible! Start listening with a 30-day trial and your first audiobook plus two Audible Originals free when you go to http://audible.com/veritasium or te
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02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy
1,527 views / 0 likes - addedNeed to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p
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02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,041 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/pre-algebra/applyin
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02:38 Popular
Adding 5 + 3 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
717 views / 0 likes - addedLearn 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
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04:12
What Will We Name the Solar Systems Next Planet? || PLANET X??
395 views / 0 likes - addedIn 2006, Pluto was reclassified as a dwarf planet. This had two main effects on our solar system: it reduced the number of recognized planets to eight, and left many Earthlings very sad. But Plutos demotion reignited a conversation that scientists have ha
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06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy
1,181 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/pre-algebra/factors-multiples/
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01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy
1,655 views / 0 likes - addedTranslation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa
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Drawing Image Of Translation | Transformations | Geometry | Khan Academy
1,192 views / 0 likes - addedPractice 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
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02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,043 views / 0 likes - addedThis 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
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04:19 Popular
Place Value Example With 42 | Place Value (tens And Hundreds) | Early Math | Khan Academy
789 views / 0 likes - addedLearn 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
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01:25 Popular
Using Rotation Widget | Transformations | Geometry | Khan Academy
1,495 views / 0 likes - addedUsing rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai
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04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy
1,658 views / 0 likes - addedIf 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
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02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy
2,107 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/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
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02:55 Popular
Place Value Example With 25 | Place Value (tens And Hundreds) | Early Math | Khan Academy
715 views / 0 likes - addedLearn 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
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04:31 Popular
Counting American Coins | Measurement And Data | Early Math | Khan Academy
738 views / 0 likes - addedPractice 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
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01:58 Popular
Counting In Order | Counting | Early Math | Khan Academy
920 views / 0 likes - addedLearn 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
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03:09 Popular
The Bird Poop That Changed The World
807 views / 0 likes - addedThanks to my grandmother for inspiring this story, and to my mother for helping make it. If you like our videos, please consider supporting MinuteEarth on Patreon! - Alex Bird poop was the gateway fertilizer that turned humanity onto the imported-chemical
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07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy
786 views / 0 likes - addedVolume 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
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02:04 Popular
Compose Shapes | Geometry | Early Math | Khan Academy
781 views / 0 likes - addedLearn 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
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08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy
1,856 views / 1 likes - addedHere 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
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01:44 Popular
Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy
1,728 views / 0 likes - addedLearn how to read two-way tables. 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/v/counting-with-small-numbers?utm_source=YT&utm_medium=Desc&utm_c
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03:53
Adding 7 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
660 views / 0 likes - addedLearn 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
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03:19 Popular
Adding 8 + 7 | Addition And Subtraction Within 20 | Early Math | Khan Academy
713 views / 0 likes - addedLearn 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=
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03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
1,097 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/pre-al
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07:37
Why Beautiful Things Make us Happy – Beauty Explained
505 views / 0 likes - addedIt’s hard to define what makes something beautiful, but we seem to know beauty when we see it. Why is that and how does beauty affect our subconscious? This video was a collaboration with the creative agency Sagmeister & Walsh as a contribution to their u
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02:36 Popular
Counting By Tens Examples | Addition And Subtraction Within 100 | Early Math | Khan Academy
841 views / 0 likes - addedLearn 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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03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy
1,631 views / 0 likes - addedFirst 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
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08:13 Popular
Points After Rotation | Transformations | Geometry | Khan Academy
1,124 views / 1 likes - addedPoints 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
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05:59 Popular
Introduction To Place Value | Place Value (tens And Hundreds) | Early Math | Khan Academy
1,012 views / 1 likes - addedLearn 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
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02:46 Popular
Defining Rotation Example | Transformations | Geometry | Khan Academy
1,700 views / 0 likes - addedDefining 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
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03:36
Addition Using Groups Of 10 Intro | Addition And Subtraction Within 100 | Early Math | Khan Academy
694 views / 0 likes - addedPractice 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
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02:49 Popular
Skip Counting By 100 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy
807 views / 0 likes - addedLearn 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
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02:12 Popular
Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy
863 views / 0 likes - addedPractice 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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03:18 Popular
Counting Dollars | Measurement And Data | Early Math | Khan Academy
717 views / 0 likes - addedPractice 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
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10:32 Popular
Rotating About Arbitrary Point | Transformations | Geometry | Khan Academy
869 views / 0 likes - addedRotating 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:
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03:37
Starfish Rulers | Addition And Subtraction Within 100 | Early Math | Khan Academy
686 views / 0 likes - addedPractice 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
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02:53 Popular
More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy
940 views / 0 likes - addedPractice 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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01:48 Popular
Using Reflection Tool | Transformations | Geometry | Khan Academy
1,172 views / 0 likes - addedUsing reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp
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02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy
1,783 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/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
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03:23 Popular
Spots On A Die | Addition And Subtraction Within 100 | Early Math | Khan Academy
759 views / 0 likes - addedPractice 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
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02:50 Popular
Adding By Getting To Group Of 10 First | Early Math | Khan Academy
735 views / 0 likes - addedPractice 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
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04:06 Popular
Making 5 | Basic Addition And Subtraction | Early Math | Khan Academy
1,261 views / 0 likes - addedLearn 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
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02:25 Popular
Halves And Fourths | Geometry | Early Math | Khan Academy
790 views / 0 likes - addedLearn how to divide shapes into two or four equal sections. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-fractions-of-shapes/e/halves-and-fourths?utm_sou
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03:39 Popular
Introduction To Subtraction | Basic Addition And Subtraction | Early Math | Khan Academy
754 views / 0 likes - addedLearn 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
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02:37 Popular
Order By Length | Measurement And Data | Early Math | Khan Academy
1,674 views / 0 likes - addedPractice 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
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03:00 Popular
Teens As Sums With 10 | Place Value (tens And Hundreds) | Early Math | Khan Academy
727 views / 0 likes - addedPractice 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:
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05:41 Popular
Points On Line Of Reflection | Transformations | Geometry | Khan Academy
1,318 views / 0 likes - addedPoints on line of reflection Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/e/defining-reflections?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next
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02:03 Popular
Comparing Numbers Of Objects | Counting | Early Math | Khan Academy
1,030 views / 1 likes - addedLearn 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
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04:40 Popular
Measuring Lengths 2 | Measurement And Data | Early Math | Khan Academy
750 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-math-measuring-length/e/measuring-lengths-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the ne
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01:32 Popular
Formal Translation Tool Example | Transformations | Geometry | Khan Academy
1,292 views / 0 likes - addedFormal translation tool example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/defining-translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the
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07:19 Popular
Reflecting Segments Over Line | Transformations | Geometry | Khan Academy
974 views / 0 likes - addedReflecting 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
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00:59 Popular
Average Height Of A Building's Floor | Multiplication And Division | 3th Grade | Khan Academy
968 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/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-fractions-on-the-number-line/e/fractions_on_the_number_lin
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02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy
1,182 views / 0 likes - addedIt'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
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04:03
Subtracting 14 - 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
694 views / 0 likes - addedLearn 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
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02:10 Popular
Subtract Tens Exercise | Addition And Subtraction Within 100 | Early Math | Khan Academy
723 views / 1 likes - addedLearn 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
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02:16
Telling Time Exercise Example 2 | Measurement And Data | Early Math | Khan Academy
679 views / 0 likes - addedTell time on unlabeled analog clocks. 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-time/e/telling_time?utm_source=YT&utm_medium=Desc&utm_campaign=Ear
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06:09 Popular
Recognizing Shapes | Geometry | Early Math | Khan Academy
1,264 views / 1 likes - addedLearn how to identify circles, triangles, squares, rectangles, rhombuses, and trapezoids. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-geometry-topic/cc-early-math-shapes/e/naming-sh
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04:56 Popular
Equal Sign | Addition And Subtraction Within 20 | Early Math | Khan Academy
781 views / 0 likes - addedLearn 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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03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy
1,717 views / 0 likes - addedWord problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o
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02:34 Popular
Adding Two-digit Numbers Without Regrouping | Early Math | Khan Academy
998 views / 1 likes - addedLearn 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
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