Search Results: "concepts of self"

All Most Recent Most Viewed

22:55
Twenty-one proto-tanks and tank concepts that never made it to battle

401 views / 2 likes - added 3 years ago

Signup for your FREE trial to The Great Courses Plus here: http://ow.ly/IAbV30qCbtN Twenty-one proto-tanks or tank concepts that never made it to battle. Nice models, but some silly designs. Support me on Patreon: https://www.patreon.com/Lindybeige TV-8 i
02:47
Robots—like people— use ‘imagination’ to learn concepts

375 views / 0 likes - added 5 years ago

Learning framework detects abstract differences in images and recreate them in real life. Read the paper - http://robotics.sciencemag.org/content/4/26/eaav3150 CREDITS ------------------ editor/animator/narrator Chris Burns supervising producer Sarah Cres
03:33 Popular
Boolify Training Video

7,104 views / 3 likes - added 8 years ago

This video shows an example session using Boolify to teach basic search concepts, such as AND/OR/NOT, filetype, site, and other operators. It uses a graphical interface to teach these concepts. Boolify is free to use and available on http://www.kidzsearch
06:30
Gravity powered Escapement Wheel Part 2, Construction

348 views / 1 likes - added 3 years ago

In this follow up video, the basics of construction for this escapement mechanism are reviewed. This device was not particularly hard to build and can be simplified beyond what was shown here. In the prior video of this piece, the operation and various pa
11:40
Voltage, Current, Electricity, Magnetism

384 views / 0 likes - added 5 years ago

Easy to understand animation explaining all basic concepts.
07:58
Irony | Style | Grammar

417 views / 0 likes - added 6 years ago

Irony, puns, and sarcasm are some of the toughest concepts in English. This video attempts to explain all three.
40:00
Algebra and Mathematics. Explained with easy to understand 3D animations.

511 views / 0 likes - added 5 years ago

Explains variables, systems of equations, Cartesian coordinates, and many other concepts. Fun and educational for all ages.
35:56
Thermodynamics and the End of the Universe: Energy, Entropy, and the fundamental laws of physics.

419 views / 0 likes - added 5 years ago

Easy to understand animation explaining energy, entropy, and all the basic concepts including refrigeration, heat engines, and the end of all life in the Universe.
10:56
The Humanly Infinite

37 views / 0 likes - added 2 months ago

Today we explore this paradox of the humanly infinite - the idea that there are concepts and numbers in our universe that, while they can be defined and understood mathematically, are beyond our ability to tangibly comprehend or visualize.
05:11
Is Math Discovered Or Invented? - Jeff Dekofsky

624 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/is-math-discovered-or-invented-jeff-dekofsky Would mathematics exist if people didn't? Did we create mathematical concepts to help us understand...
00:48
Supercluster Explains: Why Rockets Go Up

293 views / 0 likes - added 3 years ago

Supercluster Explains is our video series that illuminates basic space science concepts using short, easy-to-understand animations. This episode explains the surprising reason why rockets go up.
03:44 Popular
What's The Dirt On ... Dirt?

1,073 views / 2 likes - added 8 years ago

A SciShow Kids viewer has asked us: What is dirt made of? Join Jessi to get the dirt on … dirt! ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome produ
Featured
56:43
Eric Laithwaite 1974 RI Christmas Lectures, Lecture 1: "Looking Glass House"

342 views / 0 likes - added 4 years ago

Professor Eric Laithwaite presents his second televised series of CHRISTMAS LECTURES exploring the world of engineering.A sequel to his 1966 series, 'The Engineer in Wonderland', Laithwaite was the first person to present two series of Lectures on nationa
06:53 Popular
What Is A Species?

2,044 views / 0 likes - added 8 years ago

New 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
00:51
Supercluster Explains: How Orbits Work

289 views / 0 likes - added 3 years ago

Supercluster Explains is our video series that illuminates basic space science concepts using short, easy-to-understand animations. This episode explains a fundamental part of flying in outer space: Orbits. Music produced by badatsports. (Ari Trautmann an
14:34
Visualization of Quantum Physics (Quantum Mechanics)

503 views / 0 likes - added 7 years ago

This video visually demonstrates some basic quantum physics concepts using the simple case of a free particle. All the simulations here are based on real equations and laws. See more information here: http://www.zutopedia.com/quantum_physics.html The math
01:27
DeepMoji

510 views / 0 likes - added 6 years ago

DeepMoji is a model that uses millions of tweets to learn about emotional concepts in text like sarcasm and irony. Learn more: https://www.media.mit.edu/projects/deepmoji/overview/ This content is licensed under a Creative Commons Attribution 4.0 Internat
10:33
Structure of the Atom

425 views / 0 likes - added 5 years ago

Craig Beals explains the structure of the atom: Protons, Neutrons, Electrons. And the concepts of Ions, Isotopes and Radiation. Visit my website to learn more: https://www.BealsScience.com Periodic Table: https://commons.wikimedia.org/wiki/Fi... Isotopes
06:15 Popular
Learn To Read Chinese ... With Ease! - ShaoLan

847 views / 1 likes - added 8 years ago

For foreigners, learning to speak Chinese is a hard task. But learning to read the beautiful, often complex characters of the Chinese written language may be less difficult. ShaoLan walks through a simple lesson in recognizing the ideas behind the charact
06:03
Ring and Chain Trick Supersized // Homemade

330 views / 0 likes - added 4 years ago

A popular "magic" trick can also be a great learning tool for students to investigate. Starting with the original materials and then going larger plus watching it in slow motion makes the science behind the behavior easier to follow. This video offers a b
12:07 Popular
Algebra Basics: What Is Algebra? - Math Antics

2,357 views / 1 likes - added 9 years ago

The first video in the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Next video: https://youtu.be/l3XzepN03KQ This video gives an overview of Algebra and introduces the concepts of unknown value
Featured
02:29
Three Incorrect Laws of Motion

368 views / 0 likes - added 3 years ago

Newton's Three Laws of Motion are a landmark achievement in physics. They describe how all objects move. Unfortunately most people do not really understand Newton's Laws because they have pre-existing ideas about the way the world works. This film is abou
04:56 Popular
How Interpreters Juggle Two Languages At Once - Ewandro Magalhaes

1,401 views / 0 likes - added 7 years ago

View full Lesson: https://ed.ted.com/lessons/how-interpreters-juggle-two-languages-at-once-ewandro-magalhaes Language is complex, and when abstract or nuanced concepts get lost in translation, the consequences may be catastrophic. Given the complexities o
04:32 Popular
The Chemistry Of Cold Packs - John Pollard

774 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-cold-packs-get-cold-so-fast-john-pollard If you stick water in the freezer, it will take a few hours to freeze into ice. How is it, then, that cold packs go from room temperature to near freezing in mere
Featured
07:08
Inside NASA’s Race Back To Neptune’s Icy Moon

497 views / 0 likes - added 5 years ago

Could Neptune’s moon, Triton, harbor life? NASA scientists are working on a mission concept that after 30 years could finally return us back to this icy world. Watch more Focal Point! | https://bit.ly/2WvQRBt Read More: Next Stop, Triton? Here's Two Wild
30:31 Popular
Chemistry and Our Universe: How it All Works | The Great Courses

760 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/show/chemistry_and_our_universe_how_it_all_works?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 Chemistry is the study of matter and energy at the scale of atoms and molecules. As t
06:10
How Fast Are You Moving Right Now? - Tucker Hiatt

545 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-fast-are-you-moving-right-now-tucker-hiatt "How fast are you moving?" seems like an easy question, but it's actually quite complicated -- and perhaps best answered by another question: "Relative to what?" Ev
1:10:07
Khan Academy Live: AP Calculus

586 views / 0 likes - added 6 years ago

Taking AP Calculus? Prep for the exam with our free live tutoring session. Dave, one of our calculus experts, will review key concepts, solve sample questions, and share ways to avoid common mistakes. Prep for your AP Calculus exams on Khan Academy: https
04:46 Popular
The Threat Of Invasive Species - Jennifer Klos

2,704 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-threat-of-invasive-species-jennifer-klos Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alli
Featured
02:58 Popular
Wooden levers challenge, Wood balancing puzzle // Homemade Science with Bruce Yeany

748 views / 0 likes - added 7 years ago

In our study of simple machines, we take a look at types of levers and situations where the torques applied to them are equal allowing objects to be balanced. Here is a simple set of blocks that can be used to challenge student's understanding and their m
51:15 Popular
Khan Academy Live: SAT Writing

719 views / 0 likes - added 6 years ago

Need help with SAT writing? Join Eric, one of Khan Academy’s SAT experts, for a live SAT writing class Tuesday, May 30 at 7 pm ET/4pm PT. It’s free! Eric will walk through key grammar concepts like subject-verb agreement and sentence punctuation. Can’t ma
05:39 Popular
Physics of toys -string racer/ string rocket // Homemade Science with Bruce Yeany

1,070 views / 0 likes - added 7 years ago

The String Racers are rubber band powered toys that are fairly easy to build either at home or in the classroom. Materials are easy to work with and readily available, we have even been successful making our own propellors. I've had students design and bu
01:15
3 things you need to know to build wealth

621 views / 0 likes - added 7 years ago

"Automatic Millionaire" author David Bach shares the three wealth building concepts most Americans have still not grasped yet. -------------------------------------------------- Follow BI Video on Twitter: http://bit.ly/1oS68Zs Follow BI on Facebook: http
00:55
Making a 31 Can Silly String Cannon (For Harrison Ford!)

28 views / 0 likes - added 1 month ago

Here's a Behind-The-Scenes look as myself and the incredible Jimmy Kimmel Live prop team prototyped, fabricated, and tested two custom cannons capable of firing off 31 cans of Silly String simultaneously. A lot of science and engineering went on behind th
05:04
Making A TED-Ed Lesson: Visualizing Complex Ideas

639 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/making-a-ted-ed-lesson-visualizing-complex-ideas View original lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith How can animation convey complex, intangible concepts? A visual met
19:53 Popular
Calculus at a Fifth Grade Level

1,253 views / 1 likes - added 7 years ago

The foreign concepts of calculus often make it hard to jump right into learning it. If you ever wanted to dive into the world of mathematics - or if you are just having difficulty in your calculus class - and are having a hard time grasping the ideas, you
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,710 views / 0 likes - added 8 years ago

Word 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
03:52
Class Notes: How Notes and Beats Go Together (The Rhythm Pyramid)

611 views / 1 likes - added 6 years ago

Teaching and learning about the duration of musical notes — their various lengths, names, and how they interact with underlying beats in order to create rhythm — can be challenging. This video was produced to make that process "upbeat" and fun
04:56 Popular
Dynamic carts and crashing blocks for Newton's laws of motion///Homemade Science with Bruce Yeany

847 views / 0 likes - added 6 years ago

Three variations of a classic demonstration graphically show how Newton's 2nd and 3rd law are applied giving students a better understanding of the concepts. Homemade science is a collection of classroom tested ideas, suggestions, projects, and experiment
02:07
Are these dots purple or blue? Your answer might not be as reliable as you think

598 views / 0 likes - added 5 years ago

When blue dots or threatening faces become rare, people’s concepts of “blue” or “threat” expand Read more - https://scim.ag/2KiJn2D CREDITS --------------------- editor/animator/narrator Chris Burns supervising producers Sarah Crespi Nguyên Khôi Nguyên sc
03:24 Popular
Diving bear--Cartesian diver and submarine-like behavior /// Homemade Science with Bruce Yeany

894 views / 0 likes - added 7 years ago

The diving bear is a simple and fun experiment that is easy to build and use. It's behavior is similar to a cartesian diver and the sinking or floating of a submarine. It can help demonstrate concepts such as buoyancy (Archimede's principle), Pascal's pri
13:44
1.1: Introduction - Git and GitHub for Poets

368 views / 0 likes - added 4 years ago

In this first video of Git and GitHub for Poets, we go over the concepts of commits and repositories as well as an overview of the GitHub User Interface Contact: http://twitter.com/shiffman Next video: https://youtu.be/oPpnCh7InLY GitHub Repository for Us
02:23
F-117 Stealth Car

464 views / 0 likes - added 4 years ago

Subscribe to Naked Science http://goo.gl/wpc2Q1Every industry has its mavericks and the car industry is no exception. This car was created by car designer Jim Router, and takes its inspiration from a surprising source, the Lockheed Martin F-117A stealth b
21:18
The Map of Quantum Physics

329 views / 0 likes - added 3 years ago

This is the Map of Quantum Physics and quantum mechanics covering everything you need to know about this field in one image. Check out this video's sponsor https://brilliant.org/dosAnd grab this poster here: https://store.dftba.com/collections/domain-of-s
10:46 Popular
Sensation&Perception - Crash Course Psychology #5

747 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 us to continue producing great content.
07:16 Popular
Binary - How to Make a Computer: Part II

1,541 views / 0 likes - added 7 years ago

This is Part II of How to Make a Computer. In this series, I'm going to be explaining how to build a computer from the ground up. Using 19th Century technology, you'll discover the inner workings of the most important thing in your life. This episode: bin
04:45
Is it time to reassess our relationship with nature? | BBC Ideas

415 views / 0 likes - added 3 years ago

Western societies tend to see nature and humanity as separate concepts. But are there other ways of understanding our relationship with planet Earth? Are there lessons to be learnt from indigenous cultures?If you liked this video, we think you'll love thi
12:38 Popular
Will It Float? Testing Minecraft Boat in Real Life!

748 views / 1 likes - added 2 years ago

We built and tested a FULL SIZE Minecraft Boat IN REAL LIFE on a 10-mile whitewater rafting course to see whether this video game vehicle is really functional or totally fictional. Minecraft turns real-world concepts into functional gameplay mechanics, bu
00:57 Popular
Sesame Street: “Count On Elmo” Preview

932 views / 0 likes - added 8 years ago

The Sesame Street friends can count on Elmo! Join your Sesame Street friends as they learn about different math concepts and celebrate the Count and his love of counting! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_cen
13:37
How to Make the Perfect Burger According to Science | The Burger Show

676 views / 0 likes - added 5 years ago

To be a real burger pro, you have to understand different ways to dial up flavor. Attaining Burger Lord status involves more than just a fancy cast iron or spatula. It involves science. That’s why Alvin is teaming up with food scientist and Museum o
09:13
How deaf researchers are reinventing science communication

369 views / 0 likes - added 4 years ago

Science is a language unto itself, and scientists rely on precise, standard terminology for common ground in their work. But for deaf researchers and students, American Sign Language isnt up to date with terms for new concepts and ideas. The solution? Cre
10:07 Popular
Data Structures: Crash Course Computer Science #14

1,075 views / 0 likes - added 6 years ago

Today we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And it is this abilit
11:32
What a driverless world could look like | Wanis Kabbaj

582 views / 0 likes - added 7 years ago

What if traffic flowed through our streets as smoothly and efficiently as blood flows through our veins? Transportation geek Wanis Kabbaj thinks we can find inspiration in the genius of our biology to design the transit systems of the future. In this forw
02:25
What Captain America can teach us about science

397 views / 0 likes - added 6 years ago

Materials scientist Suveen Mathaudhu shows us how both our favorite superheroes and real-world scientists create materials to save the world every day. Can Laser Make The Internet Faster?: https://youtu.be/ptKbyf7wMok Subscribe! http://bit.ly/1fUWHyY At U
04:00
World's Best Chef | My Go-To

254 views / 0 likes - added 4 years ago

Chris Shepherd has a passion for creating dishes that are just as diverse as Houston. The famed restauranteur was named World's Best Chef last year by the Robb Report and won a James Beard Award in 2014 for Best Chef: Southwest. Shepherd runs three Housto
01:15 Popular
CES 2016 - Fridges For The Future

722 views / 1 likes - added 8 years ago

LG's Signature Fridge and Samsung's Family Hub Refrigerator concepts are a glimpse of the future of connected, touchscreen and app-controlled refrigerators that might even order their own groceries. Still haven’t subscribed to WIRED on YouTube? ►► http://
03:11 Popular
Sesame Street: Me Want It (But Me Wait)

766 views / 0 likes - added 9 years ago

Cookie Monster spoofs Icona Pop's hit song "I Love It" in this hilarious new video! Cookie Monster, the poster-child for someone needing to master self-regulation skills, attempts to explain these concepts while devising personal strategies on waiting to
32:44 Popular
The Power of Mathematical Visualization | The Great Courses

1,066 views / 0 likes - added 7 years ago

https://www.thegreatcoursesplus.com/show/the_power_of_mathematical_visualization?utm_source=US_SocialMedia&utm_medium=SocialMediaEditorialYoutube&utm_campaign=138569 The Power of Mathematical Visualization teaches you these vital problem-solving skills in
05:26
ABC's Of Kindness | Story Time with Highlights

45 views / 0 likes - added 4 months ago

Join Highlights Cheif Editor Christine Cully as she reads ABC's of Kindness. Your child can learn how to make the world a kinder place. This book features children of a variety of backgrounds and abilities who demonstrate everyday acts of kindness and gen
05:06 Popular
The Fundamentals Of Space-time: Part 1 - Andrew Pontzen And Tom Whyntie

1,029 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-1-andrew-pontzen-and-tom-whyntie View part 2: http://ed.ted.com/lessons/the-fundamentals-of-space-time-part-2-andrew-pontzen-and-tom-whyntie View part 3 here: http://ed.ted.co
05:41
The First Brachiosaurus

586 views / 2 likes - added 8 years ago

Joyce Havstad, PhD holds the title Philosopher-in-Residence at The Field Museum.* We had the joy of interviewing her about some of the fascinating concepts she researches and explores -- in this case, what is a holotype? And how can paleontologists determ
10:46 Popular
How Words Can Harm: Crash Course Philosophy #28

712 views / 0 likes - added 7 years ago

Content warning: today’s episode contains language that some viewers might find upsetting and that may not be viewable in all settings. We’ve talking about how language works and how powerful it can be. Sometimes, that power can be harmful. Today, Hank ex
03:50
1950s vs. NOW: Did Mid-Century Futurism Flop?

385 views / 0 likes - added 4 years ago

What kind of future did the people of the 1950s predict? Did people get the tech they wanted?Watch more: Could You Handle Being An Adult In The 70s?: https://www.youtube.com/watch?v=QgQwXGubNjgSubscribe: https://bit.ly/SubLifeNoggin | Get your exclusive L
26:56 Popular
Simple Harmonic Motion - Physics 101 / AP Physics 1 Review with Dianna Cowern

1,010 views / 0 likes - added 3 years ago

Lesson 16 (Simple Harmonic Motion) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises in this video: 1.
12:23
Advanced CPU Designs: Crash Course Computer Science #9

564 views / 0 likes - added 7 years ago

So now that we’ve built and programmed our very own CPU, we’re going to take a step back and look at how CPU speeds have rapidly increased from just a few cycles per second to gigahertz! Some of that improvement, of course, has come from faster and more e
13:01
Does Minecraft's Cake Recipe work IRL?

397 views / 1 likes - added 2 years ago

Minecraft is a game set in a world thats pretty similar to earth, and because of this its always walked a fine line between realism and abstraction, turning real-world concepts into functional gameplay mechanics. But what about crafting? The numerous craf
10:01 Popular
Simulating Natural Selection

729 views / 0 likes - added 5 years ago

In this video, we avoid telling the creatures what their survival chances are and let them figure it out themselves. This is the fifth in the series on evolution. Made with Blender and python. Github: https://github.com/Helpsypoo/primer A few places to le
10:36
Instructions & Programs: Crash Course Computer Science #8

639 views / 1 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a
09:19 Popular
What is Natural Selection?

1,745 views / 1 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly Special thanks to Rosemary at Bird and Moon Comics for supplying a handful of the critter illustrations: http://www.birdandmoon.com/ Special thanks to AD for the music! http://www.pr
04:17
The Physics Of Drifting, Explained

391 views / 0 likes - added 4 years ago

Car drifting is both a pastime and profession. For hobbyists and professionals, the basic principles of drifting are the same. Toss the car sideways and hang on. We wanted to take a deeper look into the activity. We asked Leona Chin, a professional motors
02:49 Popular
Follow the Blue Ball (Chain Reaction Machine) | Creezy

705 views / 3 likes - added 4 years ago

This 'One Ball Path' chain reaction machine is complicated, but your task is simple: Follow the Blue Ball. Get Your Engineering Pathways Education Creation Kit: https://lddy.no/avra This kit is perfect for people who are just starting to make their own Ch
26:35
Electric Charge and Light - Physics 101 / AP Physics 1 Review with Dianna Cowern

574 views / 0 likes - added 3 years ago

Lesson 18 (Electric Charge and Light) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises in this video:
28:19
Circuits, Voltage, Resistance, Current - Physics 101 / AP Physics Review with Dianna Cowern

563 views / 0 likes - added 3 years ago

Lesson 19 (Voltage, Resistance and Current) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises in this v
00:16
SICK Science - Cool science experiments from Steve Spangler.

507 views / 0 likes - added 3 years ago

Created in 2005 by Steve Spangler, SICK Science is a collection of easy science experiments you can do at home. You'll find 250 videos in this collection. All of the videos are produced in the same style, with the same music and the same focus on just the
02:03
How Do Matches Work?

673 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions To fire up the grill or the gas stove, we often reach for a match. It turns out there’s a lot of chemistry going on to make those little wooden wonders work. The best way to find out about the chemistry of burning mat
08:48
Microorganisms Are Cleaning the Water You Drink

361 views / 0 likes - added 4 years ago

Microbes are used for everything from baking to brewing, but wastewater treatment is where they do some of their most important work.Follow Journey to the Microcosmos:Twitter: https://twitter.com/journeytomicroFacebook: https://www.facebook.com/JourneyToM
07:31 Popular
Deficits & Debts: Crash Course Economics #9

776 views / 0 likes - added 8 years ago

What is debt? What is a deficit? And do these things have different outcomes for individuals and nations? Adriene and Jacob answer all these questions and more on this week's Crash Course Econ. Deficit and debt are easy to misunderstand, but luckily, they
03:16
A Spooky Halloween Poem

570 views / 0 likes - added 8 years ago

Peter’s sister, Belinda, always tells scary stories, and he doesn’t like it one bit. When he tries to scare Belinda, he realizes he can be as fearless as her. A "Common Core Aligned Video" which focuses on Language Arts categories such as Key Ideas and De
14:42 Popular
Minecraft's Biggest Unsolved Mystery

1,305 views / 4 likes - added 2 years ago

Minecraft lore is tricky, however out of all the many mysteries one stands out as arguably the most important in the whole game. A crucial detail that doesn't seem to be solved any time soon. This is Minecraft's Biggest Unsolved Mystery , What Happened to
04:20 Popular
Should Animals Have Human Rights?

729 views / 1 likes - added 8 years ago

In theory, all human beings have a certain set of inalienable rights simply by virtue of being self-aware, of having the ability to consider abstract concepts. Nowadays an increasing number of scientists, legislators and global institutions are asking whe
22:58
Geometry Introduction - Basic Overview - Review For SAT, ACT, EOC, Midterm Final Exam

465 views / 0 likes - added 2 years ago

The full version of this geometry review tutorial provides a basic introduction into common topics taught in geometry such as angles and measurement, area, perimeter, volume, surface area. It covers shapes such as circles, squares, rectangles, right trian
10:52 Popular
Top 5 Fortnite Mysteries THAT MAY NEVER BE SOLVED!

2,380 views / 36 likes - added 5 years ago

Top 5 Fortnite Mysteries THAT MAY NEVER BE SOLVED! Subscribe to never miss a Top 5 here: https://goo.gl/eWUCx5 Creator of that funny default game cube meme: https://www.youtube.com/user/BlackIceShredder Follow us on Twitter to be informed when we post: ht
10:12 Popular
The Meaning Of Knowledge: Crash Course Philosophy #7

772 views / 0 likes - added 8 years ago

On today’s episode...CATS. Also: Hank talks about some philosophy stuff, like a few of the key concepts philosophers use when discussing belief and knowledge, such as what defines an assertion and a proposition, and that belief is a kind of propositional
12:28 Popular
What Conductors Are Really Doing | WIRED

1,204 views / 0 likes - added 4 years ago

Conductor and organist Kent Tritle explains all that goes into being a professional conductor. From the concepts of legato, marcato, fortissimo, and more, Kent breaks down what exactly his hand movements mean when leading a group of musicians. Filmed at t
09:37
The Transistor: a 1953 documentary, anticipating its coming impact on technology

89 views / 0 likes - added 1 year ago

Made between the 1947 invention of the transistor at Bell Labs and the 1956 awarding of the Nobel Prize for Physics to its creators, this documentary is less about the discovery itself than its anticipated impact on technology and society. The intent of t
04:06
The Surprising Origin Of A Color Darker Than Vantablack

354 views / 0 likes - added 4 years ago

The darkest color in the world was unveiled earlier this year. Its the result of a first-of-its-kind collaboration between art and science. In September, 2019, scientists at MIT unveiled the "blackest black" material to date, which was made using carbon n
04:47
Why Daffodils Grow in the Same Place Every Year

213 views / 0 likes - added 3 years ago

Spring is almost here, and that means daffodils are blooming around the fort. But how do these flowers survive the long cold winters?----------Love SciShow Kids and want to help support it? Become a Patron on Patreon: https://www.patreon.com/scishowIf you
16:40
My robotic basketball hoop won't let you miss

437 views / 0 likes - added 4 years ago

I wasn't totally satisfied with my previous basketball hoop so I made another try at the problem. This time with robots and computer vision! My old solid state hoop is old news. Long live our robot overlords. I wonder what V3 will look like... The basketb
25:26 Popular
Waves, Light and Sound - Physics 101 / AP Physics 1 Review with Dianna Cowern

1,421 views / 1 likes - added 3 years ago

Lesson 17 (Waves, Light, and Sound) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises in this video: 1.
1:14:23 Popular
ABC Surprise Collection | Alphabet Songs, Surprise Eggs, Finger Family Songs, Nursery Rhymes & More

2,033 views / 3 likes - added 8 years ago

Explore Learning Concepts for Children with this 70 Minute Mash-Up of Catchy Songs & Colorful Animation. Teaches the Alphabet, Phonics, Counting Colors & More with Fun Surprise Eggs & Nursery Rhymes. ABC Phonics Song 00:08 Princess ABCs "Alphabet Mermaid"
09:07
Catching A Foam Glider Dropped From 1000 Feet!

419 views / 0 likes - added 4 years ago

Novartis: https://youtu.be/QCF5rgUvnooShare This Video: https://youtu.be/-0zz-G-A6NsWe partnered up with Novartis for the most insane trick shot ever! We catch a foam glider released from a drone at 1000 feet BEFORE it hits the ground! Last year we made a
09:14
Interstellar Travel: Approaching Light Speed

470 views / 0 likes - added 5 years ago

Is interstellar travel doomed to remain in the realm of science fiction? Sticking to near future space propulsion only, how close can we get to the speed of light? This video looks at the current spacecraft speed records with Apollo 10 holding the record
08:03
Why everyone hates this concrete building

94 views / 0 likes - added 5 months ago

And why brutalism dominates US college campuses. 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/0bsAjOWhen you look at college campuses across
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,280 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
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,821 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
05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy

530 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
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

1,859 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
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,032 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/
21:07
How I made a basketball hoop that always goes in

346 views / 0 likes - added 4 years ago

I've wondered if it is possible to make a basketball hoop where the ball always goes in. Imagine throwing a ball and if it hits the backboard it somehow gets directed into the hoop. Thanks to physics it isn't quite possible to make ALL possible shots go i
07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,093 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

1,768 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

611 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.
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

1,431 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

1,515 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
04:12
How Gravity Makes Things Fall

671 views / 0 likes - added 6 years ago

Award-winning* demonstration of gravity, featuring the "Spacetime Stretcher," built mostly out of materials from my garage and the hardware store. Please support me on Patreon! Thank you! http://www.patreon.com/edwardcurrent More info: 1. As a falling obj
03:44 Popular
Einstein’s Brain Was Stolen and Chopped Up Into Tiny Pieces...For Science?!

743 views / 0 likes - added 6 years ago

Over 60 years ago, Einstein's brain was stolen, preserved, dissected and sent in pieces across the country. Who was behind this theft for science? How NASA Engineers Use Origami To Design Future Spacecraft https://www.youtube.com/watch?v=jWoQhf6lBV0 Subsc
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

884 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
10:20
Top 10 Secrets To Memorize Things Faster Than Your Friends

496 views / 0 likes - added 6 years ago

In order to memorize things faster and more efficiently you should learn these simple memory tricks and hacks! Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo.gl/JyGcTt https://goo.gl/5c8dzr ◄ For copyright queries or general inqu
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,762 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
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,196 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.
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,350 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=
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,161 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
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

2,112 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

784 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

891 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

1,892 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
03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

1,507 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
09:35 Popular
Is This A NEW SPECIES?!

889 views / 1 likes - added 7 years ago

Order my Maker Box from Quarterly ►► http://on.qrtr.ly/ItsOKtoMake Don’t miss the next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓ More info and sources below ↓ This is the first-ever video of what we’re calling the "hermit crab caterpillar"! We’re pre
09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

2,110 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
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

1,366 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

1,273 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
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

875 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

1,088 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
24:30 Popular
Angular Momentum - Physics 101 / AP Physics 1 Review with Dianna Cowern

1,732 views / 0 likes - added 3 years ago

Lesson 15 (Angular Momentum) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! More fun exploration of water spin
02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

1,524 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
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

1,377 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

1,939 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

1,388 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

714 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
09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,585 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
03:21
The Colors of Stars

185 views / 0 likes - added 2 years ago

Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean!Hosted by: Anthony Brown ----------Love SciShow Kids and want to help support it? Become a Patron on Patreon
02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

1,927 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

1,542 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
03:40
Why Can't I Get Rid of This Cowlick?

325 views / 0 likes - added 4 years ago

You or someone you know may have struggled to get a cowlick to just stay down already, but you can take solace in the fact that these inconvenient hair tufts have a lot to teach us about the world around us.Hosted by: Michael ArandaSciShow has a spinoff p
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

1,638 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

707 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
08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

1,164 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

2,117 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
09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,563 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

1,938 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
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

1,778 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
04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

1,581 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

1,172 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
04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

1,740 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

1,605 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
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

1,212 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/
09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

1,079 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
04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

961 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
03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,639 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
06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

1,520 views / 0 likes - added 8 years ago

Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin
03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

1,253 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

1,114 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

1,371 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

880 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
04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

1,537 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
17:45 Popular
Jim Crow Explained

746 views / 1 likes - added 8 years ago

A social studies based video lecturing outlining the major concepts regarding Jim Crow. If there was a prerequisite it would include having a grip on the 14th amendment. Click here for a lesson the 14th Amendment https://www.youtube.com/watch?v=_fEjVzJqCk
02:58 Popular
Monkeys For A Party | Place Value (tens And Hundreds) | Early Math | Khan Academy

701 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

1,661 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

1,137 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
01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

1,920 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
02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

1,507 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

1,033 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

714 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
06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

1,173 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/
02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,038 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

784 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
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

1,636 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

2,087 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
02:55 Popular
Place Value Example With 25 | Place Value (tens And Hundreds) | Early Math | Khan Academy

710 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

735 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
01:58 Popular
Counting In Order | Counting | Early Math | Khan Academy

915 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
07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

778 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

775 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

1,832 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

1,723 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

655 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

707 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

1,091 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

837 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
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

1,604 views / 0 likes - added 8 years ago

First visualize this word problem then use subtraction and multiplication of decimals and fractions to get at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topi
05:59 Popular
Introduction To Place Value | Place Value (tens And Hundreds) | Early Math | Khan Academy

1,009 views / 1 likes - added 8 years ago

Learn why we use a "ones place" and a "tens place" when writing numbers. This video uses the number 37 as an example. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/c
04:12
Bees’ Tiny Brains Could Change How We Engineer Computers

565 views / 0 likes - added 5 years ago

Bees are insanely smart, and now scientists have shown they understand the concept of zero. How could this lead to more efficient computers? After a Decade of Colony Collapse, Bees Are Bouncing Back! (Sort Of) - https://youtu.be/n9NQ9o7UWT4 Get 20% off ht
03:36
Addition Using Groups Of 10 Intro | Addition And Subtraction Within 100 | Early Math | Khan Academy

685 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-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
02:49 Popular
Skip Counting By 100 Example | Addition And Subtraction Within 100 | Early Math | Khan Academy

802 views / 0 likes - added 8 years ago

Learn to count by hundreds. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-skip-counting/e/skip-counting-by-100s?utm_source=YT&utm_medium=Desc&utm_campaign=Ea
02:12 Popular
Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

857 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-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
03:18 Popular
Counting Dollars | Measurement And Data | Early Math | Khan Academy

714 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
03:37
Starfish Rulers | Addition And Subtraction Within 100 | Early Math | Khan Academy

681 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-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
02:53 Popular
More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

934 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-add-sub-100/cc-early-math-more-fewer-100/e/addition-and-subtraction-word-problems-within-100--level-3?utm_source=YT&utm_medium=Desc&utm_c
02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

1,763 views / 0 likes - added 8 years ago

Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
03:23 Popular
Spots On A Die | Addition And Subtraction Within 100 | Early Math | Khan Academy

755 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-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
02:50 Popular
Adding By Getting To Group Of 10 First | Early Math | Khan Academy

733 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-add-sub-100/cc-early-math-making-groups-of-ten/e/making-100?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: h
04:06 Popular
Making 5 | Basic Addition And Subtraction | Early Math | Khan Academy

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

Learn how to add numbers to make 5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-making-5-9/e/making-five?utm_source=YT&utm_medium=Desc&utm_campaign=Earl
02:25 Popular
Halves And Fourths | Geometry | Early Math | Khan Academy

783 views / 0 likes - added 8 years ago

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

749 views / 0 likes - added 8 years ago

Learn what it means to subtract. The examples used in this video are 4-3 and 5-2. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basics/cc-early-math-add-sub-intro/e/subtractio
02:37 Popular
Order By Length | Measurement And Data | Early Math | Khan Academy

1,668 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-length-intro/e/order-by-length?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesso
03:00 Popular
Teens As Sums With 10 | Place Value (tens And Hundreds) | Early Math | Khan Academy

720 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:
02:03 Popular
Comparing Numbers Of Objects | Counting | Early Math | Khan Academy

1,024 views / 1 likes - added 8 years ago

Learn what "more than" and "less than" mean. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-comparing-numbers/e/compare-groups-through-10?utm_source=YT&utm
04:40 Popular
Measuring Lengths 2 | Measurement And Data | Early Math | Khan Academy

744 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-measuring-length/e/measuring-lengths-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the ne
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

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

It's nice to practice conversion problems, but how about applying our new knowledge of percentages to a real life problem like recycling? Hint: don't forget your long division! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanac
04:03
Subtracting 14 - 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy

687 views / 0 likes - added 8 years ago

Learn how to subtract 14 - 6 by first thinking about subtracting 2 and 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-sub-20/e/subtraction_2?utm_source=YT&u
02:10 Popular
Subtract Tens Exercise | Addition And Subtraction Within 100 | Early Math | Khan Academy

719 views / 1 likes - added 8 years ago

Learn how to add and subtract tens. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-sub-ones-tens/e/subtract-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea
02:16
Telling Time Exercise Example 2 | Measurement And Data | Early Math | Khan Academy

673 views / 0 likes - added 8 years ago

Tell 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
06:09 Popular
Recognizing Shapes | Geometry | Early Math | Khan Academy

1,255 views / 1 likes - added 8 years ago

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

776 views / 0 likes - added 8 years ago

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

>> View concepts web videos