Search Results: "arkansas state flag symbols"

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13:51 Popular
Gilded Age Politics:Crash Course US History #26

797 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

997 views / 0 likes - added 6 years ago

Coordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,095 views / 0 likes - added 6 years ago

Worked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

834 views / 0 likes - added 6 years ago

How the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

938 views / 0 likes - added 8 years ago

Watch 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
05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy

870 views / 0 likes - added 8 years ago

Watch 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=
02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy

1,148 views / 0 likes - added 8 years ago

Watch 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
03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy

749 views / 0 likes - added 8 years ago

Watch 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
03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy

1,106 views / 0 likes - added 8 years ago

Watch 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
04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

2,504 views / 0 likes - added 8 years ago

Watch 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
08:56
The Rubber Band: Holding It Together Since 1820

692 views / 0 likes - added 7 years ago

→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy

1,345 views / 0 likes - added 8 years ago

Watch 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
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

911 views / 1 likes - added 6 years ago

David and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,170 views / 1 likes - added 6 years ago

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

597 views / 0 likes - added 6 years ago

When do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
03:00
Appositives | Punctuation | Grammar | Khan Academy

632 views / 0 likes - added 6 years ago

David and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy

654 views / 0 likes - added 6 years ago

Let's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,015 views / 0 likes - added 6 years ago

Correlative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,247 views / 0 likes - added 6 years ago

Subordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy

584 views / 0 likes - added 6 years ago

Learn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
13:57 Popular
Where US Politics Came From: Crash Course US History #9

764 views / 0 likes - added 9 years ago

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

1,208 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,034 views / 0 likes - added 6 years ago

Some irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
03:10 Popular
The NFL Is Using The VICIS ZERO1 Football Helmet That Morphs On Impact To Reduce Head Injuries

715 views / 1 likes - added 6 years ago

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

589 views / 0 likes - added 6 years ago

A worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,134 views / 0 likes - added 6 years ago

David, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
06:35
Why are Buffalo Wings Called That?

665 views / 0 likes - added 6 years ago

Free monthly data with TunnelBear: http://tunnelbear.com/brainfood If you happen to like our videos and have a few bucks to spare to support our efforts, check out our Patreon page where we've got a variety of perks for our Patrons, including Simon's voic
15:06
Hydrogen Can Be a Metal?! Plus, Other Weird States of Matter (Part 2 of 3)

458 views / 0 likes - added 6 years ago

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
11:36
Something weird happens when you keep squeezing

101 views / 0 likes - added 7 months ago

Under extreme pressures, matter defies the rules of physics as we know it.Help keep Vox free for everybody: http://www.vox.com/give-now Subscribe to our channel and turn on notifications () so you don't miss any videos: http://goo.gl/0bsAjOPhysicists have
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,152 views / 0 likes - added 6 years ago

We've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
03:46
I Spent 9 Months In Space

505 views / 0 likes - added 6 years ago

Astronaut Peggy Whitson returns to Earth after 665 days in space Check out more awesome videos at BuzzFeedVideo! https://bit.ly/YTbuzzfeedvideo https://bit.ly/YTbuzzfeedblue1 https://bit.ly/YTbuzzfeedviolet GET MORE BUZZFEED: https://www.buzzfeed.com http
02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

539 views / 0 likes - added 6 years ago

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

893 views / 0 likes - added 6 years ago

Sometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,285 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,078 views / 0 likes - added 6 years ago

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

706 views / 1 likes - added 8 years ago

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

591 views / 0 likes - added 6 years ago

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
05:19 Popular
Disney Cars 3 Carrera battery operated slot race track with Lightning Mcqueen Dinoco Cruz Ramirez

1,406 views / 1 likes - added 6 years ago

Disney Cars 3 Carrerra battery operated slot race track with Lightning Mcqueen Dinoco Cruz Ramirez surprise toys family fun game challenge Evren Adventures ToysReview. Thanks for joining Evren and Evren' daddy to unbox Disney Cars 3 Carrera Batterry Opera
02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy

528 views / 0 likes - added 6 years ago

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

608 views / 0 likes - added 6 years ago

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

1,088 views / 0 likes - added 6 years ago

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

874 views / 0 likes - added 6 years ago

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
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Eating Dandelions | The Salt | NPR

489 views / 0 likes - added 5 years ago

Dandelions are much more than just unwanted weeds, according to expert forager and nutritionist Debbie Naha—they make a delicious (and nutritious) snack. Naha took us foraging for dandelions at Little Buffalo State Park in Newport, Pa. She advises to pick
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,841 views / 0 likes - added 8 years ago

Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
07:43 Popular
Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy

1,298 views / 1 likes - added 8 years ago

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

531 views / 0 likes - added 6 years ago

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

1,190 views / 0 likes - added 6 years ago

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

1,881 views / 0 likes - added 8 years ago

Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http
04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy

531 views / 0 likes - added 6 years ago

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

1,472 views / 0 likes - added 6 years ago

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

689 views / 0 likes - added 6 years ago

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

874 views / 0 likes - added 6 years ago

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
08:40
Insect Flight | Capturing Takeoff & Flying at 3,200 FPS

301 views / 0 likes - added 3 years ago

Takeoff and flight sequences of insects spanning 8 different taxonomic orders captured at 3,200 fps!00:00 - intro01:17 - plume moth01:20 - firefly02:32 - painted lichen moth03:14 - leafroller moth03:31 - rosy maple moth04:00 - stonefly (see comment for co
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,037 views / 0 likes - added 8 years ago

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/
06:22 Popular
HOT WHEELS MONSTER JAM Truck Tour Favourites Pirate Takedown Toy Cars for Kids Disney Egg Surprise

1,177 views / 2 likes - added 6 years ago

HOT WHEELS MONSTER JAM Truck Tour Favourites Pirate Takedown Toy Cars for Kids Disney Egg Surprise Toy. This playset comes with a 1:64 scale Captain's Curse Monster Jam Truck and it's such an awesome fun toy car for kids. The Monster Jam arena has been ra
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Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

575 views / 0 likes - added 6 years ago

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
05:23
How Satellites Track Your Exact Location

621 views / 1 likes - added 8 years ago

GPS has become a staple on any smartphone, but how does it work? How Does Your Brain’s GPS Work? ►►►► http://dne.ws/1XfwdhD Sign Up For The TestTube Newsletter Here ►►►► http://dne.ws/1McUJdm Read More: How GPS Receivers Work http://electronics.howstuffwo
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07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,100 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,790 views / 0 likes - added 8 years ago

The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

615 views / 0 likes - added 8 years ago

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.
06:36
These photos ended child labor in the US

474 views / 1 likes - added 4 years ago

Child labor was widely practiced until a photographer showed the public what it looked like.This video is presented by CuriosityStream: https://www.curiositystream.com/VoxBecome a Video Lab member! http://bit.ly/video-labThe 1900 US Federal Census reveale
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,260 views / 0 likes - added 6 years ago

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

811 views / 0 likes - added 6 years ago

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/
09:03 Popular
Garbage Plates: Rochester's Best-Kept Secret || Food/Groups Empire Plate of Mind

738 views / 1 likes - added 6 years ago

People are shocked to hear that Rochester, a one-time boomtown on the southern shore of Lake Ontario, is actually the third-biggest city in the Empire State. It might not have New York City’s international cachet, or Buffalo’s diehard sports t
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

1,435 views / 0 likes - added 8 years ago

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

1,519 views / 0 likes - added 8 years ago

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
03:58
The 'duck curve' is solar energy's greatest challenge

486 views / 0 likes - added 6 years ago

Renewables require change in the energy supply chain. Subscribe to our channel! http://goo.gl/0bsAjO Electricity is incredibly difficult to store, so grid operators have to generate it at the exact moment it is demanded. In order to do this, they create i
12:35 Popular
Why The Big Bang Definitely Happened | Space Time | PBS Digital Studios

847 views / 1 likes - added 8 years ago

How physics lets us rewind time to the beginning of the universe. Get your own Space Time t-shirt at http://bit.ly/1QlzoBi Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http:/
02:30
What If You Are Stressed Everyday?

384 views / 0 likes - added 5 years ago

Can everyday stress literally kill you? Find out! Listen to Sidenote for our episode on stress: https://www.youtube.com/watch?v=GU_eTlUwsY8 Created by: Mitchell Moffit and Gregory Brown Written by: Jodre Datu, Rachel Salt, Greg Brown Illustrated by: Max S
03:13
What If You Go To Sleep Hungry? - Dear Blocko #23

541 views / 0 likes - added 4 years ago

It's Dear Blocko episode 23! Happy Holidays! :)Watch more: What If You Only Ate Candy? https://www.youtube.com/watch?v=EGev7AKJNwcResources:https://www.actionagainsthunger.org/Find your local food bank: https://www.feedingamerica.org/Meet The Team!Directo
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Homemade Cream Puffs St. Joseph's Day - Zeppole di San Giuseppe

225 views / 0 likes - added 3 years ago

The first 1000 people to click the link will get a free trial of Skillshare Premium Membership: https://skl.sh/emmymadeinjapan01211 Zeppole di San Giuseppe are pastry cream-filled cream puffs eaten March 19th for St. Joseph's Day. Originally from Italy, #
14:36
Einstein's grades

345 views / 0 likes - added 3 years ago

Come and take a look at Einstein's report card from his final school year and his time studying at ETH university in Switzerland. We will learn interesting facts about his life, his teachers and the state of physics at the time. Timestamps: 0:00 - Intro1:
09:13
Egypt Built a Supertall Skyscraper in the Desert

117 views / 0 likes - added 1 year ago

Africa has its first supertall skyscraper.For more by The B1M subscribe now - https://bit.ly/the-b1m Full story here - https://theb1m.com/video/egypt-iconic-tower-new-administrative-capital Additional footage and imagery courtesy of Neom, City of Telosa,
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

890 views / 0 likes - added 8 years ago

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

572 views / 1 likes - added 6 years ago

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

664 views / 0 likes - added 6 years ago

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
56:50 Popular
Great Museums: Elevated Thinking: The High Line in New York City

807 views / 1 likes - added 9 years ago

Narrated by actress Susan Sarandon, this hour-long documentary film showcases the High Line, a most unusual and unlikely public park. Since opening in 2009, it has become a top global tourist destination, with nearly 5 million visitors annually. Since 199
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Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

568 views / 0 likes - added 6 years ago

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

670 views / 0 likes - added 6 years ago

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

466 views / 0 likes - added 4 years ago

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

1,769 views / 0 likes - added 8 years ago

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

951 views / 0 likes - added 6 years ago

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

2,221 views / 0 likes - added 8 years ago

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.
02:59
Why is California always on fire?

666 views / 1 likes - added 5 years ago

Humans are making the problem worse. Can we get out of nature’s way, for our own good? Subscribe to our channel! http://goo.gl/0bsAjO Wildfires are intensifying in California — but “wild”fires might be a misnomer at this point, because humans are responsi
05:57
What Tardigrades Can Teach Us About Life in the Rainforest

476 views / 0 likes - added 6 years ago

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

505 views / 0 likes - added 6 years ago

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

588 views / 3 likes - added 4 years ago

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
04:29
How Bacteria Make It Rain (with Kim Prather) – Speaking of Chemistry Road Trip

605 views / 0 likes - added 7 years ago

Did you know that the ocean launches bacteria and other goo into the atmosphere? And that those particles can seed clouds? Atmospheric chemist Kimberly Prather of UCSD and the Scripps Institution of Oceanography drops some serious knowledge on us. ↓↓More
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,356 views / 0 likes - added 8 years ago

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=
03:18 Popular
Robot Spy Seal Vs Great White Shark

751 views / 3 likes - added 4 years ago

#Seal #SpyInTheWild #GreatWhiteSharkRobot Spy Seal spots a great white shark approach an oblivious young seal - but will Spy Seal and the seal escape?Clip taken from episode 3 'The Islands' of our brand new second series of Spy in the Wild, narrated by Da
10:16
Most Expensive Fails!

400 views / 2 likes - added 10 months ago

Create the business of your dreams! https://bit.ly/ShopifyxBeastReactsCHECK OUT THESE CHANNELS OR ELSErochelle.whohttps://www.tiktok.com/@rochelle.who/video/71560873357911688119NEWShttps://www.youtube.com/watch?v=ZvpliWVmkaAJennihttps://www.youtube.com/wa
09:35
Are Microbes Good or Bad for Humans?

332 views / 0 likes - added 4 years ago

Where is the line between good and bad microorganisms and why do we seem to know so much more about the bad ones? Follow Journey to the Microcosmos:Twitter: https://twitter.com/journeytomicroFacebook: https://www.facebook.com/JourneyToMicroMore from Jams
13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

1,831 views / 2 likes - added 8 years ago

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

642 views / 0 likes - added 6 years ago

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

1,167 views / 0 likes - added 8 years ago

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
15:15 Popular
Deep Time: Crash Course Astronomy #45

733 views / 0 likes - added 8 years ago

As we approach the end of Crash Course Astronomy, it’s time now to acknowledge that our Universe’s days are numbered. Stars will die out after a few trillion years, protons will decay and matter will dissolve after a thousand trillion trillion trillion ye
18:00
Fun Summer Science!

523 views / 0 likes - added 6 years ago

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

2,134 views / 0 likes - added 8 years ago

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

788 views / 0 likes - added 8 years ago

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

896 views / 0 likes - added 8 years ago

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

1,914 views / 0 likes - added 8 years ago

Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations
04:30
Do Humans Have the Ability To Sniff Out Bombs?

519 views / 0 likes - added 6 years ago

We use dogs as our go-to sniffers for bombs and rescue missions. But how does our sense of smell compare? What Does Space Smell Like? - https://youtu.be/Dn23GbsWJjE Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Get 15% off http://www.doma
03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

1,513 views / 0 likes - added 8 years ago

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

2,133 views / 1 likes - added 8 years ago

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

641 views / 0 likes - added 8 years ago

The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

1,373 views / 0 likes - added 8 years ago

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

1,280 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem
10:02
Watch This Before You Eat Another M&M

289 views / 0 likes - added 3 years ago

M&M's are truly a delicious candy staple. But where did the idea for them come from, and how have they become so popular? We decided to dig deep to discover everything there is to know about these delicious chocolate treats.For many people, M&M's are a re
04:32
Cyborg Cockroaches Could Save Your Life | Cyborg Nation

649 views / 0 likes - added 8 years ago

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
Robotic Spy Crab Plays Own Version Of Frogger On Christmas Island!

199 views / 0 likes - added 2 years ago

Spy Crab joins thousands of Christmas Island crabs as they march to the sea. But their journey is anything but easy as the crabs have to climb fences and dodge the oncoming traffic as they cross the roads to get to the sea. Will Spy Crab make it?Clip take
02:44
The DYING Barrier Reef

475 views / 1 likes - added 4 years ago

Climate Change is destroying the Great Barrier Reef. In the last 2 years the Great Barrier Reef has lost over half its coral. At the current rate at which sea temperatures are rising the Reef will go extinct in the next 20 to 30 years. I have witnessed th
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

884 views / 0 likes - added 8 years ago

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

1,093 views / 1 likes - added 8 years ago

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

1,052 views / 0 likes - added 8 years ago

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

1,530 views / 0 likes - added 8 years ago

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
06:19
How AI is Tracking Illegal Fishing From Space

318 views / 0 likes - added 3 years ago

This fugitive ship got away with stealing millions of fish for years. Inside how experts are using AI to fight illegal fishing on a massive scale. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Wild Crime! http://bit.ly/WILDCRIME Visit our
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

1,383 views / 0 likes - added 8 years ago

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

1,960 views / 0 likes - added 8 years ago

Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

1,395 views / 0 likes - added 8 years ago

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

720 views / 0 likes - added 8 years ago

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
04:04
[OFFICIAL VIDEO] Shallow - Pentatonix

536 views / 2 likes - added 5 years ago

GET "SHALLOW'' NOW! https://smarturl.it/PTXShall0W?iQid=ytiTunes - https://smarturl.it/PTXShall0W/itunes?iQid=ytApple Music - https://smarturl.it/PTXShall0W/applemusic?iQid=ytSpotify - https://smarturl.it/PTXShall0W/spotify?iQid=ytAmazon - https://smartur
09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,593 views / 0 likes - added 8 years ago

Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the
18:09
The Incredible Logistics Behind Corn Farming

176 views / 0 likes - added 2 years ago

Sign up for the stock footage provider that we use: http://storyblocks.com/wendoverWatch Extremities at http://youtube.com/extremitiesBuy a Wendover Productions t-shirt: https://standard.tv/collections/wendover-productions/products/wendover-productions-sh
02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

1,949 views / 0 likes - added 8 years ago

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/
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy

1,561 views / 0 likes - added 8 years ago

Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

1,646 views / 1 likes - added 8 years ago

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
05:41 Popular
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

712 views / 0 likes - added 8 years ago

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
04:49
The Black Hole Tipping Point

609 views / 0 likes - added 6 years ago

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

1,169 views / 0 likes - added 8 years ago

What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

2,141 views / 2 likes - added 8 years ago

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
03:14 Popular
Robot Spy Hummingbird Films HALF A BILLION MONARCH BUTTERFLIES!

2,062 views / 9 likes - added 3 years ago

Up to half a billion monarch butterflies lie sleeping having overwintered in Mexico. As winter ends and spring arrives, the sun warms their wings and the forest comes to life as a cascade of butterflies take flight! Robot Spy Hummingbird is right there in
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09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,588 views / 1 likes - added 8 years ago

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

1,960 views / 0 likes - added 8 years ago

What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
05:17 Popular
How Much Does It Cost To Run For President?

6,185 views / 0 likes - added 7 years ago

There’s a big difference between running for President and actually winning the election. So how much money will you need to have a decent shot at being Commander-in-Chief? Learn more at HowStuffWorks.com: http://people.howstuffworks.com/president.htm Sha
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05:08 Popular
Why is gravity different?

827 views / 0 likes - added 3 years ago

We probably think we know gravity pretty well. After all, we have more conscious experience with this fundamental force than with any of the others (electromagnetism and the weak and strong nuclear forces). But even though physicists have been studying gr
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

1,802 views / 2 likes - added 8 years ago

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

347 views / 0 likes - added 4 years ago

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

1,602 views / 0 likes - added 8 years ago

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

1,176 views / 0 likes - added 8 years ago

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
13:13
The History of Video

582 views / 0 likes - added 5 years ago

I always wanted to know why film looked better than video. Moving electronic images have as long a history but were invented for a different purpose. This video was sponsored by B&H Photo: https://www.bhphotovideo.com Huge thanks to: Richard Diehl, Video
04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

1,749 views / 1 likes - added 8 years ago

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

1,626 views / 0 likes - added 8 years ago

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
04:59
Why scientists are so worried about this glacier

234 views / 1 likes - added 3 years ago

It's at the heart of Antarctica and on the verge of collapse.Become a Video Lab member! http://bit.ly/video-labMan-made climate change is warming the planet's atmosphere and oceans, and the effects are being felt the most at the poles. In Antarctica, home
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

1,220 views / 0 likes - added 8 years ago

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/
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Do You Have ADHD or Are You Just Tired?

494 views / 0 likes - added 6 years ago

A new study suggests that ADHD might actually be a sleep disorder-- a suggestion that, if true, could revolutionize the way we treat it. Why Does White Noise Make You Fall Asleep? - https://youtu.be/8ZGx0W9i5gE Read More: Is ADHD really a sleep problem? h
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Cryptography: Crash Course Computer Science #33

652 views / 0 likes - added 6 years ago

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

1,082 views / 0 likes - added 8 years ago

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
26:55
ChatGPT: 30 Year History | How AI Learned to Talk

17 views / 0 likes - added 1 month ago

This video explores the journey of AI language models, from their modest beginnings through the development of OpenAI's GPT models. Our journey takes us through the key moments in generative neural network research involved in next word prediction. We del
06:18
Why the pope dresses like that

138 views / 0 likes - added 2 years ago

The 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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Samurai Wasps Say 'Smell Ya Later, Stink Bugs' | Deep Look

659 views / 0 likes - added 5 years ago

Support Deep Look on Patreon! https://www.patreon.com/deeplook Yep, brown marmorated stink bugs are stinky, but that’s not the worst thing about them. They're imported agricultural pests eating their way across North America. But a native enemy from Asia
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Positive And Negative Slope | Algebra I | Khan Academy

1,549 views / 0 likes - added 8 years ago

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
12:29
Combinatorics and Higher Dimensions - Numberphile

439 views / 0 likes - added 6 years ago

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

615 views / 1 likes - added 6 years ago

In which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big Brother, and making us t
04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

965 views / 0 likes - added 8 years ago

Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca
04:30 Popular
How Much Tea Would it Take to Turn the Boston Harbor into Tea?

898 views / 1 likes - added 5 years ago

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
02:48 Popular
Robot Spy Otter & Spy Bald Eagle Discover How Sea Otters Cope With Mega-waves From Melting Glaciers

857 views / 0 likes - added 4 years ago

#SeaOtter #SpyInTheWild #DavidTennantRobot Spy Otter & Spy Bald Eagle Discover How Sea Otters Cope With Mega-waves From Melting Glaciers.As spring arrives in Alaska, chunks of ice start to fall from the glaciers causing huge waves but Spy Otter & the Sea
03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,664 views / 0 likes - added 8 years ago

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

1,258 views / 0 likes - added 8 years ago

Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal
06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

1,118 views / 0 likes - added 8 years ago

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

1,376 views / 0 likes - added 8 years ago

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

887 views / 0 likes - added 8 years ago

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
03:29 Popular
Everything You Need To Know About Kidney Stones

1,115 views / 0 likes - added 7 years ago

Researchers have found that riding roller coasters may help pass kidney stones! But what are kidney stones and what causes them? Is It Dangerous To Hold In Your Pee? - https://youtu.be/1PmZdIPXqCw Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO
04:08
[OFFICIAL AUDIO] Can You Feel the Love Tonight? - Pentatonix

504 views / 1 likes - added 4 years ago

GET "CAN YOU FEEL THE LOVE TONIGHT?'' NOW! https://smarturl.it/CYFTLTTICKETS TO PENTATONIX: THE WORLD TOUR' ARE ON SALE NOWhttp://www.ptxofficial.com/tour 6/1/2019 - Amway Center - Orlando, FL6/2/2019 - James Brown Arena - Augusta, GA6/4/2019 - PPL Center
04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

1,541 views / 0 likes - added 8 years ago

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

706 views / 0 likes - added 8 years ago

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

1,667 views / 1 likes - added 8 years ago

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

1,142 views / 0 likes - added 8 years ago

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

886 views / 0 likes - added 8 years ago

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
01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

1,941 views / 0 likes - added 8 years ago

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

2,051 views / 0 likes - added 8 years ago

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

1,472 views / 0 likes - added 8 years ago

Comparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca
04:10
How Scientists Are Making 'Sonic' Black Holes in a Lab

459 views / 0 likes - added 4 years ago

In order to test Hawking radiation, scientists created their own artificial black hole using sound. But how?Can Hawkings Black Hole Paradox Be Solved With Fuzzballs?https://youtu.be/esPa1tVSjewRead More: What Sonic Black Holes Say About Real Oneshttps://w
02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

1,527 views / 0 likes - added 8 years ago

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

1,041 views / 0 likes - added 8 years ago

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

717 views / 0 likes - added 8 years ago

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

360 views / 0 likes - added 4 years ago

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

1,181 views / 0 likes - added 8 years ago

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/
05:06
The New Mars Rover Is The Most Advanced Yet, Here's Why

321 views / 1 likes - added 3 years ago

We've set our sights on Mars once again with NASAs Perseverance rover due to launch in the summer of 2020. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker.com Sinc
02:37
VIETNAM, Waterfalls: Amazing Planet (4K) 2020

312 views / 0 likes - added 3 years ago

Ban Gioc Falls, Vietnam by Filip Kulisev Filip Kulisev strives to find and photograph the most wonderful and unique sites of our planet for the benefit of all nature lovers in Slovakia and around the world. Through his photographs he has raised awareness
03:46
This Chemical Does Nothing, But It's Still Bad For You

99 views / 0 likes - added 7 months ago

Check out the MinuteFood video on Teflon here: https://youtu.be/R1hbV3EzOD4PFAS - also known as the forever chemicals we use in all sorts of household products - are able to cause all sorts of health problems without ever really reacting with anythingLEAR
09:00
Why 99% of ocean plastic pollution is "missing"

336 views / 0 likes - added 3 years ago

The plastic we dump into the ocean might be hiding in plain sight. Subscribe to our channel! http://goo.gl/0bsAjOVox.com is a news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out htt
01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy

1,655 views / 0 likes - added 8 years ago

Translation 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
14:34
Florence and the Renaissance: Crash Course European History #2

565 views / 0 likes - added 4 years ago

The Renaissance was a cultural revitalization that spread across Europe, and had repercussions across the globe, but one smallish city-state in Italy was in many ways the epicenter of the thing. Florence, or as Italians might say, Firenze, was the home to
01:55 Popular
Drawing Image Of Translation | Transformations | Geometry | Khan Academy

1,192 views / 0 likes - added 8 years ago

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

1,043 views / 0 likes - added 8 years ago

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

789 views / 0 likes - added 8 years ago

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

1,495 views / 0 likes - added 8 years ago

Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

1,658 views / 0 likes - added 8 years ago

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

2,108 views / 0 likes - added 8 years ago

Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
15:33 Popular
Democracy, Authoritarian Capitalism, and China: Crash Course World History 230

898 views / 1 likes - added 9 years ago

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

715 views / 0 likes - added 8 years ago

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

738 views / 0 likes - added 8 years ago

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
08:17
What is Radioactivity and Is It Always Harmful: Explained in Really Simple Words

141 views / 0 likes - added 1 year ago

Radioactivity is the property through which a heavier, unstable nucleus assumes a more stable state by emitting radiation. The process through which a nucleus turns into a stable one is called radioactive decay. But is radioactivity or radioactive radiati
01:58 Popular
Counting In Order | Counting | Early Math | Khan Academy

920 views / 0 likes - added 8 years ago

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
19:05
The Simple Genius of the Interstate Highway System

211 views / 0 likes - added 2 years ago

Sign up for a CuriosityStream subscription and also get a free Nebula subscription (the streaming platform built by creators) here: http://CuriosityStream.com/wendoverWatch a Nebula-exclusive companion video to this here: https://nebula.app/videos/wendove
Irrigate like its 2000 BC with these easy DIY terracotta watering pots called ollas

172 views / 0 likes - added 2 years ago

Make an Olla (pronounced oi-ya)Ollas have been used for thousands of years in agriculture and gardening practices and are traditionally unglazed terracotta jugs filled with water and buried into the soil, with their necks protruding slightly. Once the por
07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

786 views / 0 likes - added 8 years ago

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

781 views / 0 likes - added 8 years ago

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

1,856 views / 1 likes - added 8 years ago

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
01:44 Popular
Interpreting Two-way Tables | Data And Modeling | 8th Grade | Khan Academy

1,728 views / 0 likes - added 8 years ago

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

660 views / 0 likes - added 8 years ago

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

713 views / 0 likes - added 8 years ago

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

1,097 views / 0 likes - added 8 years ago

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

841 views / 0 likes - added 8 years ago

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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