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• 03:02 Popular

Can you solve the never ending square root?

1,322 views / 0 likes - added

This never ending square root can actually be solve using basic alegra. Find the exact value of this never square root. This problem is much easier than it looks. My name is Chris and my passion is to teach math. Learning should never be a struggle which

• 10:52 Popular

Top 5 Fortnite Mysteries THAT MAY NEVER BE SOLVED!

1,104 views / 21 likes - added

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

• 11:42 Popular

How to Solve a 3x3 Rubik's Cube In No Time | The Easiest Tutorial

1,093 views / 0 likes - added

If you look up the word frustration in the dictionary, youll probably see a picture of a Rubiks Cube. It takes some bright minds only 5 seconds to solve, yet others spend years trying to put it together, eventually giving up. But the truth is that anyone

• 06:03 Popular

10 Amazing Optical Illusions

1,066 views / 10 likes - added

10 Amazing Optical Illusions that will melt your mind - Compilation This video is compilation of 10 amazing optical illusions: Rooftop Illusion, Color Illusion, Motion Binding Illusion, Crazy Wire Illusion, Duck-Rabbit Illusion, Silver Egg Illusion, Anamo

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• 03:30 Popular

Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

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• 07:02 Popular

Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

981 views / 0 likes - added

Watch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi

• 01:56 Popular

Floating Cube - 3D Trick Art on Paper

968 views / 3 likes - added

How to draw a floating/levitating cube. 3D trick art on line paper anamorphic optical illusion. Materials used: 110lb cardstock, HB pencil, 2B pencil, Blue bic pen, red bic pen, black fine line pen, ruler, scissors Total time: 14 minutes 46 seconds You ca

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• 03:40 Popular

World's Fastest Rubik's Cube Solving Robot

947 views / 8 likes - added

My Friend Paul and I show off our Rubik's cube solving robot.

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• 11:08 Popular

Algebra Basics: Solving Basic Equations Part 1 - Math Antics

934 views / 2 likes - added

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/NybHckSEQBI Next video: https://youtu.be/Qyd_v3DGzTM This video shows students how to solve simple 1-st

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• 10:06 Popular

DIY GIANT JELLY CUBE SLIME! How To Make Sponge Slime

933 views / 5 likes - added

We made a huge batch of Jelly Cube Slime and it was AMAZING Kitties Mama Channel: DIY GIANT FLOAM VIDEO: https://youtu.be/w6wwN-0m2cQ

• 05:12 Popular

Picture Perfect Instagram Food Hacks | FOOD HACKS FOR KIDS

894 views / 11 likes - added

Say hello to Shanynn’s fellow food hacker and friend, Whitley! While Shanynn’s been inducted into the Food Hacks Hall of Fame, Whitley’s here to take the reins and show you 3 picture perfect Instagram hacks. Make sure to follow Shanynn on her social media

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• 04:08 Popular

3 Hacks For Perfect Hot Chocolate | FOOD HACKS FOR KIDS

893 views / 5 likes - added

Check out these awesome hot chocolate food hacks to make sure your hot chocolate is never too hot, too messy, or too clumpy. Let me know your favorite in the comments! → Recipes ← Loco Coco Truffles: 2 3/4 cups white chocolate chips 1 cup heavy cream 1 tb

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• 09:35 Popular

Algebra Basics: Solving Basic Equations Part 2 - Math Antics

875 views / 0 likes - added

Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/l3XzepN03KQ Next video: Coming Soon This video shows students how to solve simple 1-step Algebra equati

• 04:11 Popular

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

863 views / 0 likes - added

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

• 03:20 Popular

WHAT HAPPENS WHEN APPLE MEETS MAGNET

858 views / 2 likes - added

TechZone ► https://www.youtube.com/channel/UC6H07z6zAwbHRl4Lbl0GSsw Probably during your childhood you were told that you should eat apples because they have many vitamins and nutrients, including iron. But have you ever wondered what happens if we put a

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• 05:35 Popular

Could Planet Minecraft Actually Exist?

832 views / 2 likes - added

This episode is brought to you by Dropbox https://www.dropbox.com/ Tweet ⇒ http://bit.ly/OKTBSmcraft Share on FB ⇒ http://bit.ly/OKTBSmcraftFB ↓ More info and sources below ↓ Gravitational field of a cubic planet: Chappell, James Michael, et al. "The grav

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• 05:55 Popular

Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

803 views / 1 likes - added

Watch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp

• 01:09 Popular

Self Solving Rubik's Cube

783 views / 3 likes - added

Self Solving Rubik's Cube ▶︎ https://media.dmm-make.com/item/4462/

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• 10:43 Popular

Algebra Basics: Simplifying Polynomials - Math Antics

721 views / 1 likes - added

In this video, we explain the concept of "like terms" and show how polynomials can be simplified by combining like terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Learn More at

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• 01:38

Could Humans Ever Regrow Teeth?

700 views / 1 likes - added

98% of American suffer from tooth decay, but scientists may have found a way to fix that. Is there a way to regrow your teeth? Flossing Is BS! - https://youtu.be/RuqNkIp0Uqs Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Will de

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• 02:51

The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

699 views / 1 likes - added

A lot of people are arguing over the correct answer to this algebra problem involving horses, horseshoes, and boots. A Facebook post with this problem has over 500,000 comments. Can you figure it out? In this video I explain the correct answer. Blog post:

• 11:54

Algebra Basics: The Distributive Property - Math Antics

697 views / 0 likes - added

This video introduces the Distributive Property in its general algebraic form: a(b + c) = ab + ac It shows how this patten is helpful when working with polynomials. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEB

• 04:22

Impossible Algebra Problem

674 views / 0 likes - added

This problem is making the rounds. Can you place numbers in the four boxes so all the equations are true? Blog post (text/image explanation): http://wp.me/p6aMk-4up If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecis

• 04:37

Group Theory 101: How To Play A Rubik’s Cube Like A Piano - Michael Staff

611 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/group-theory-101-how-to-play-a-rubik-s-cube-like-a-piano-michael-staff Mathematics explains the workings of the universe, from particle physics to engineering and economics. Math is even closely related to music

• 01:47

Decompose Hundredths On Number Line | Fractions | 4th Grade | Khan Academy

608 views / 0 likes - added

Learn how to decompose a fraction with hundredths on a number line. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-fractions-topic/cc-4th-fractions-unlike-denom/e/decompose-fraction

• 11:41

3 EASY Magic Tricks Anyone Can Do!

602 views / 11 likes - added

How To Magic Tricks! In this episode of How To Magic, Evan Era from EvanEraTV shows 3 Easy Magic Tricks Anyone Can Do! Easy magic tricks for kids, beginners, and all ages! Family friendly fun magic trick tutorials with step by step instructions for each t

• 04:32

How To Solve One-step Equations With Fractions And Decimals | 6th Grade | Khan Academy

596 views / 0 likes - added

Learn how to solve one-step addition and subtraction equations that have fractions and decimals in them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-

• 13:46

Math Videos For 3rd, 4th, And 5th Grade: GEOMETRY MATH SONGS

593 views / 3 likes - added

This fun video playlist goes along with a Geometry Unit with matching animation that can be purchased here: Teachers Pay Teachers Geometry Unit: https://www.teacherspayteachers.com/Product/Geometry-Unit-2459996 ◀--- Opens in New Window ____ Our closest fr

• 05:51

Why Florida Is So Perfect For Space Launches

591 views / 0 likes - added

For about 60 years, the U.S. has launched its rockets into space from Cape Canaveral. What makes Florida so perfect for space launches? Why Rocket Launches Always Get Cancelled - https://youtu.be/TzTU-ZfjQlE Sign Up For The Seeker Newsletter Here - http:/

• 10:14

Algebra Basics: Graphing On The Coordinate Plane - Math Antics

583 views / 0 likes - added

• 01:49

Sugar Cube Magic - Sick Science! #216

579 views / 2 likes - added

See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/sugar-cube-magic Check out cool science kits and toys: http://www.stevespanglerscience.com/ You’ve let your friend in on a secret: you bought some magical Imperial Sugar or

• 05:30

"Solving" a Rubik’s Cube in Seconds | JUNK DRAWER MAGIC

575 views / 2 likes - added

Today's Trick- Solve a Rubik's Cube in seconds! → Credits ← Hosts: Akira Sky Walker Satterwhite Created by Stu Stone & Jesse Feinberg Directed by Shane Spiegel & Justin Reager Written by Shane Spiegel & Justin Reager Executive Producer Judy Meyers Produce

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• 11:34

Algebra Basics: What Are Functions? - Math Antics

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• 10:29

Algebra Basics: Solving 2-Step Equations - Math Antics

569 views / 1 likes - added

There was a confusing example in the original video. This is the updated version. This video shows students how to solve 2-step Algebra equations involving one addition or subtraction and one multiplication or division. Part of the Algebra Basics Series:

• 00:40

Fastest robot to solve a Rubik's cube: Sub1 Reloaded breaks Guinness world record

568 views / 0 likes - added

MUNICH, Germany -- A robot known as "Sub1 Reloaded" took just 637 thousandths of a second to analyse the Rubik;s cube and make 21 moves, so that each of the cube's sides showed a single color, thus setting the new world record for being the Fastest robot

• 05:14

Customizable Rubik's Cube + More Gift Hacks | LIFE HACKS FOR KIDS

563 views / 4 likes - added

3 Holly Jolly Holiday Gift Hacks that are perfect for anyone on your nice list! Comment below and let me know which hack you're most excited to gift! Buy the "Life Hacks for Kids" book here: http://amzn.to/2kuT1md → Credits ← Host: Gillian Alaire Espina D

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• 04:55

Solve the right triangle - Trigonometry Brain Teaser

559 views / 0 likes - added

A square is inside of a right triangle. The length of each side of the triangle is 3-4-5. Given this information what are the dimensions of the square? Can you solve this right triangle? My name is Chris and my passion is to teach math. Learning should ne

• 10:47

7 EASY LEGO MAGIC TRICKS

555 views / 2 likes - added

Easy magic tricks with Legos! Learn how to make a Lego visually change colors using magic, even make a Lego tower magically build itself! The secrets are simple yet extremely clever; impress your friends and family anytime anywhere with these amazing lego

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• 06:07

History Vs. Genghis Khan - Alex Gendler

553 views / 0 likes - added

View full lesson: http://ed.ted.com/lessons/history-vs-genghis-khan-alex-gendler He was one of the most fearsome warlords who ever lived, waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier w

• 04:22

Anna Kendrick - Cups (Pitch Perfect’s “When I’m Gone”)

549 views / 2 likes - added

iTunes: http://smarturl.it/morepitch Amazon: http://smarturl.it/PitchDeluxe Google play: http://smarturl.it/pitchplay Music video by Anna Kendrick performing Cups (Pitch Perfect's "When I'm Gone") (Director's Cut). (C) 2013 Universal Music Enterprises, a

• 01:59

Rubik's Cube World Record - 4.73 seconds - Feliks Zemdegs

549 views / 0 likes - added

• 03:52

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

548 views / 0 likes - added

Learn how to find which numbers are missing in a number grid. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-numbers-120/e/count-from-any-number?utm_source

• 02:56

Mind Blowing Magic Trick With Sugar Cube By HooplaKidzLab

547 views / 1 likes - added

Today we have an amazing magic trick for you guys. Subscribe: https://www.youtube.com/channel/UCZYqWTQJzJaMW7jFG16p8ug

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• 09:17

15 MIND-BLOWING DIY ILLUSIONS AND TRICKS FOR KIDS

544 views / 0 likes - added

How much do you trust your sense perception? It's time to question how accurate it really is! Watch this video for wonderful optical illusions that will definitely trick your brain. Timestamps: 1:00 DIY 2D Rubik's cube 2:10 Easy brain teasers 7:55 Find a

• 04:42

How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

543 views / 0 likes - added

Learn how to write expressions with variables to describe situations described in word problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-alg-e

• 02:01

Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

538 views / 0 likes - added

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi

• 05:00

Learn to Solve the Rubik's Cube || Learn Quick

538 views / 1 likes - added

In this Learn Quick Episode, I attempt to solve the Rubik’s Cube in under 2 minutes. No easy task! It took me over 16 hours to achieve the solve that fast. I spaced it over 23 days. Subscribe for more Learn to Videos: https://www.youtube.com/channel/UCIRi

• 03:08

Perfect Pitch Dogs Play Piano - New Version

528 views / 0 likes - added

2 Dogs (Golden Retrievers) play piano by ear. They find the right keys after listening to notes played to them on a keyboard. At first, each dog plays separately, then both play together, one octave apart. This is the new version of our video https://www.

• 13:21

Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

512 views / 1 likes - added

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

• 09:50

508 views / 1 likes - added

• 03:37

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

506 views / 0 likes - added

• 02:55

Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

497 views / 0 likes - added

Watch Sal work through a basic Linear equations word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

• 01:52

How to Solve a Rubik's Cube | Full-Time Kid | PBS Parents

497 views / 1 likes - added

Watch Mya [unofficially] break the world record for solving a Rubik's cube, blind-folded! You won't REALLY learn how to solve the puzzle , but you'll learn a neat trick to show your friends and family. Executive Producer: Danielle Steinberg Meet Mya! She'

• 03:54

KIDZ BOP Kids - Perfect (Official Lyric Video) [KIDZ BOP 37]

497 views / 2 likes - added

Sing along to 'Perfect' from #KIDZBOP37 with The KIDZ BOP Kids! Get tickets to our all new 2018 tour: http://bit.ly/kbtour2018

• 01:27

The Easiest Brain Teaser that will rack your brain

494 views / 0 likes - added

This is the easiest brain teaser that will rack your brain. 5 people can build 5 houses in 5 days. How long will it take 100 people to build 100 houses? My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I m

• 16:51

Euclid's Big Problem - Numberphile

490 views / 0 likes - added

Trisecting angles and calculating cube roots was a big problem for Euclid and his cohorts. Discussed by Zsuzsanna Dancso at MSRI. TRISECT WITH ORIGAMI: http://youtu.be/SL2lYcggGpc CIRCLE THE SQUARE: http://youtu.be/CMP9a2J4Bqw NUMBERPHILE Website: http://

• 03:16

The Perfect Meal For Alan I The Amazing World Of Gumball I Cartoon Network

487 views / 0 likes - added

After Gumball is ditched by Alan, he decides to track Alan down and make him feel bad. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNGumball About The Amazing World of Gumball: Gumball, the amusing blue cat w

• 02:41

Trick Question - True or False

486 views / 0 likes - added

Think you can answer this simple trick question? Does .9 repeating equal 1? Find the solution in this video. My name is Chris and my passion is to teach math. Learning should never be a struggle which is why I make all my videos as simple and fun as possi

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• 04:35

Introduction To Singular And Plural Nouns | The Parts Of Speech | Grammar | Khan Academy

485 views / 0 likes - added

David, Khan Academy's resident grammarian, introduces the difference between singular and plural nouns. Watch the next lesson: https://youtu.be/uYgcuyUF7JQ About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalize

• 04:21

How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

484 views / 0 likes - added

Learn how to write basic equations to model real-world situations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-super-yoga/e/equations-in-one-vari

• 05:24

Math Challenge - Shrinking Pool Problem

480 views / 0 likes - added

Think you can solve this math challenge? Every time a boy jumps into the pool it shrinks by a certain amount. Thy boy jumps into the pool 3 times. You must find the original length of the pool My name is Chris and my passion is to teach math. Learning sho

• 01:51

Crossing The River - Brain Teaser

479 views / 0 likes - added

Try to solve this fun brain teaser. Cross the river with all of the zombies and humans. The boat can only fit two at a time. Also there can never be more zombies than humans. My name is Chris and my passion is to teach math. Learning should never be a str

• 01:55

Amazing Anamorphic Illusions!

476 views / 2 likes - added

• 04:00

Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

475 views / 0 likes - added

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

• 02:35

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

474 views / 0 likes - added

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

• 02:06

How to Make the Perfect Snowball

474 views / 1 likes - added

Winter is here, which means it’s time to ambush your friends in an epic snowball fight. But what makes the perfect snowball? Learn more: http://pops.ci/vt74iB -- Producer/Video by: Jason Lederman Research: Daniel Engber Jason Lederman Narrator: Eleanor Cu

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• 02:17

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

470 views / 0 likes - added

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

• 05:04

Area of a Triangle - Fun challenging math problem

470 views / 0 likes - added

Can you solve the area of a triangle given points X and Y. This is not a basic problem, but it is a fun and challenging math problem. See if you are smart enough to find the area of a triangle for yourself. My name is Chris and my passion is to teach math

• 08:27

4D Printing

467 views / 0 likes - added

3D printing has grown in sophistication since the late 1970s; TED Fellow Skylar Tibbits is shaping the next development, which he calls 4D printing, where the fourth dimension is time. This emerging technology will allow us to print objects that then resh

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• 03:27

How To Evaluate Expressions In Two Variables With Decimals And Fractions | 6th Grade | Khan Academy

463 views / 0 likes - added

Learn how to evaluate expressions that have two different variables in them by using a technique called substitution (or "plugging in"). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6t

• 34:06

EVIL SNOWMAN!! Minecraft Survival

463 views / 1 likes - added

Hey Gamer's! In today's video I play Minecraft Snowman Survival in the Cube Craft server! ► ETHAN GAMER MERCH : http://www.EthanGamerStore.com Follow me on Instagram! → https://www.instagram.com/ethangamerofficial/ Follow me on Twitter! → https://twitter.

• 21:38

Linear Algebra: Determinant and area of a parallelogram

462 views / 0 likes - added

Realizing that the determinant of a 2x2 matrix is equal to the area of the parallelogram defined by the column vectors of the matrix More free lessons at: http://www.khanacademy.org/video?v=n-S63_goDFg

• 08:24

IIT JEE Complex Root Probability (part 2)

461 views / 0 likes - added

2010 Paper 1 problem 31 Math (part 2).avi More free lessons at: http://www.khanacademy.org/video?v=S3KMyYYGuPE

• 01:07

The Easiest Brain Teaser You Might Get Wrong

461 views / 3 likes - added

Try and solve the easiest brain teaser you might get wrong. The chicken costs \$1.00 more than the egg, and together they cost a total of \$1.06. How much does the egg cost? My name is Chris and my passion is to teach math. Learning should never be a strugg

• 06:01

What's inside a Fidget Spinner Cube?

461 views / 1 likes - added

Combining Fidget Spinners and Cubes into one? Brilliant! Just when you think there are no more Fidget toys left in 2017! Watch our Fidget Toy Playlist here: https://www.youtube.com/watch?v=VtLdrDHZWEA&list=PLk-NEiZ-NQeTccJeTorwGhgFXqkS5b4hl We bought thes

• 15:28

Linear Algebra: Coordinates with respect to orthonormal bases

460 views / 0 likes - added

Seeing that orthonormal bases make for good coordinate systems More free lessons at: http://www.khanacademy.org/video?v=SWbis2zWIvo

• 02:04

Why Does Wood Float But Rocks Sink?

460 views / 0 likes - added

We’ve all probably seen items floating in water before, whether it was an ice cube, a ship or even a leaf. We’ve also seen items sink in water as well. But why exactly does one item sink while another floats, even if they are the same size or weight? The

• 03:02

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

460 views / 0 likes - added

In a previous video, we established that one thing verbs can do is show actions, like "the bear runs." Verbs can also link ideas to one another, like "the bear looks cheerful." Watch the next lesson: https://www.khanacademy.org/humanities/grammar/partsofs

• 03:35

Dimensions Of Cube From Volume

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Dimensions of cube from volume

• 01:48

Using Reflection Tool | Transformations | Geometry | Khan Academy

458 views / 0 likes - added

Using reflection tool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-reflections-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_camp

• 02:09

Teen Titans Go! | The Titans Academy Awards | Cartoon Network

458 views / 0 likes - added

Robin creates the Teen Titan Awards in an effort to get his teammates to clean up the Tower. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/VgnfHu About Teen Titans GO!: TEEN TITANS GO! is a comedy featuring the

• 02:46

Introduction to Grammar | Grammar | Khan Academy

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Khan Academy Grammarian David Rheinstrom welcomes you to his favorite topic: the study of language, its rules, and its conventions. By understanding English – by speaking it, by writing it, by reading this very sentence – you are a grammarian yourself! Wa

• 03:09

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

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• 01:33

453 views / 0 likes - added

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• 02:18

The Volume Song For Kids: Online Education Rap, Pop & Hip-Hop

452 views / 2 likes - added

Worksheets, Cloze, Quiz, and more at Teachers Pay Teachers[http://goo.gl/cfW2G8] TES[http://goo.gl/jXgRhd] Subscribe to Our YouTube Channel! http://goo.gl/3H3bJ6 This song makes makes it clear how to measure the volume of different things... like a robot!

• 03:43

4 Steps to the Perfect Sandcastle!

450 views / 2 likes - added

---------- Love SciShow Kids and want to help support it? Become a patron on Patreon: https://www.patreon.com/scishowkids ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/s

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• 09:15

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

448 views / 1 likes - added

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

• 02:52

Linear Algebra: (correction) scalar muliplication of row

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Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant More free lessons at: http://www.khanacademy.org/video?v=WY6QG0mZ7uQ

• 07:51

How To Solve One-step Multiplication And Division Equations With Fractions And Decimals

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"Learn how to solve equations in one step by multiplying or dividing a number from both sides. These problems involve decimals and fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/

• 13:04

Linear Algebra: Subspace Projection Matrix Example

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Example of a transformation matrix for a projection onto a subspace More free lessons at: http://www.khanacademy.org/video?v=QTcSBB3uVP0

• 06:52

Introduction To Partial Pressure | Gases And Kinetic Molecular Theory | Chemistry | Khan Academy

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Definition of partial pressure and Dalton's law of partial pressure. Example of calculating partial pressure of a gas in a mixture from the total pressure and partial pressure of the other gases in the mixture. Chemistry on Khan Academy: Did you know that

• 08:01

Introduction To Cube Roots

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Introduction to cube roots

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• 04:00

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

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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

• 11:14

Linear Algebra: Rank(A) = Rank(transpose of A)

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Rank(A) = Rank(transpose of A) More free lessons at: http://www.khanacademy.org/video?v=tqqVOWm9YsU

• 09:40

Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

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• 14:13

Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

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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

• 04:30

The Science Of Snowflakes - Maruša Bradač

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View full lesson: http://ed.ted.com/lessons/the-science-of-snowflakes-marusa-bradac One could say that snowflakes are simply frozen water — but if you compare a snowflake to an ice cube, you’ll notice a big difference. Why are all snowflakes six-sided? Wh

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• 09:01

Dependent Probability Example 1

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Example of the type of problem in the Khan Academy Dependent Probability module More free lessons at: http://www.khanacademy.org/video?v=xPUm5SUVzTE

• 01:58

How To Find Equivalent Expressions By Combining Like Terms And Using The Distributive Property

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• 07:43

437 views / 1 likes - added

• 04:58

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

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• 01:42

436 views / 1 likes - added

• 01:52

What's inside of a Rubik's Cube?

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Ever wonder what a Rubik's Cube looks like on the inside? In this video we'll take an in-depth look to see how the pieces fit together. Get your Rubik's cube here: https://goo.gl/BEo1W5 Made with Blender 2.73 Music: "Plain Truth" by Gunar Olsen (youtube a

• 07:23

Ways To Cut A Cube

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Ways to cut a cube

• 07:50

pH and pKa relationship for buffers | Chemistry | Khan Academy

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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/

• 12:07

Algebra Basics: What Is Algebra? - Math Antics

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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

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• 11:09

Algebra Basics: What Are Polynomials? - Math Antics

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This video introduces students to polynomials and terms. Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Learn More at mathantics.com Visit http://www.mathantics.com for more Free math

• 02:14

A tubular, shape-shifting robot

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A shape-shifting robot that moves like a growing plant root could aid in firefighting, search and rescue. Read more - http://scim.ag/2uA7i4Z Read the research -FREE - http://scim.ag/2tgb3bK

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• 03:53

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

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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

• 09:23

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

424 views / 1 likes - added

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

• 04:46

Rubik Cube In 2 Dimensions

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The Rubik (or Rubik's) Cube is a popular toy. Deane shows how to make a 2 Dimensional version of the famous puzzle. You will need to start with a small square plastic or cardboard box. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=Curi

• 06:31

How to Make the PERFECT BEDROOM in Minecraft | MASTER MINE TUTORIALS

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Re-create your own bedroom, or make the bedroom of your DREAMS using these tips & tricks from Fin! Master builders from all over YouTube teach Minecraft tutorials, breaking the most complicated creations down into a simple step-by-step process. → Credits

• 03:29

Mind blowing brain teaser - Folding paper to the moon

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Can you solve this mind blowing brain teaser? How many times can you fold a piece a paper before it reaches the moon? Find out the solution in this brain teaser in this video. My name is Chris and my passion is to teach math. Learning should never be a st

• 02:55

Comparing Fractions On A Number Line | Fractions | 4th Grade | Khan Academy

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• 10:10

IIT JEE Hairy Trig and Algebra (part 1)

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2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc

• 03:10

Don't Checkmate - Brain Teaser

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Don't checkmate the black king. In this brain teaser you must find one move for white which will not result in immediate checkmate for the black king. I also have a bunch of other fun brain teasers as well. My name is Chris and my passion is to teach math

• 03:12

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

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

• 02:48

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

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• 20:10

Linear Algebra: Determinant as Scaling Factor

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Viewing the determinant of the transformation matrix as a scaling factor of regions More free lessons at: http://www.khanacademy.org/video?v=g3MqSdO5Ubc

• 01:21

Teen Titans Go! | Robin's Perfect Packing Presentation | Cartoon Network

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Robin puts on a totally cool, ultra rad, funky fresh presentation about the best way to pack one's bags - unfortunately, the rest of the Titans don't seem to think it's quite as exciting as he does. Watch the All-New episode Thursday, 11/3 @ 6/5c on Carto

• 02:34

Converting From Standard Form To Slope-intercept Form | Algebra I | Khan Academy

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Standard form to slope-intercept form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/slope-from-an-equation-in-standard-form?utm_source=Y

• 03:08

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

416 views / 1 likes - added

Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin

• 04:33

Can you solve Zeno's paradox? - Brain Teaser

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Zeno's paradox is one of the most well know math puzzles in history. Is it possible to add an infinite amount of numbers and get an exact value? This is one example of Zeno's paradox. Try and solve this paradox and learn about the Greek philosopher Zeno i

• 03:53

Are Solid State Batteries The Perfect Battery?

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Many batteries we use today don’t hold up to minor damage or weather change but scientist believe they may have solved this problem. Why Aren’t All Batteries Rechargeable? ►►►► http://bit.ly/1TgP51P Sign Up For The TestTube Newsletter Here ►►►► http://bit

• 17:55

Linear Algebra: Change of Basis Matrix

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Using a change of basis matrix to get us from one coordinate system to another. More free lessons at: http://www.khanacademy.org/video?v=1j5WnqwMdCk

• 03:45

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

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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

• 12:34

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For more yummy Easy Recipes, click here: https://goo.gl/VnkN8n Make some deliciously amazing Oreo recipes to feed and give some happiness to your lazy sweet tooth! Watch this video and learn to make 8 mouth watering Oreo Recipes Perfect for all occasions,

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• 14:02

DIY TREATS - Perfect Together

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Perfect Together on iTunes: http://tinyurl.com/lt3q9ux In celebration of my first original song "Perfect Together" coming out, I asked you guys which treats from the song you'd like me to make. Here are a few of the most requested ones! What are your favo

• 01:55

Drawing Image Of Translation | Transformations | Geometry | Khan Academy

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• 03:28

Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

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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

• 06:29

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

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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/

• 07:48

Introduction To The SAT Writing & Language Test | Tips & Planning | New SAT | Khan Academy

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This is the last video in our New SAT subject! Missed the previous lesson? https://www.khanacademy.org/test-prep/new-sat/new-sat-tips-planning/new-sat-about-sat/v/sat-reading-test-intro?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT New SAT (starting M

• 06:09

Recognizing Shapes | Geometry | Early Math | Khan Academy

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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

• 20:48

Introduction To Scientific Notation | Pre-Algebra | Khan Academy

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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

• 14:34

Linear Algebra: Finding Eigenvectors and Eigenspaces example

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Finding the eigenvectors and eigenspaces of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=3-xfmbdzkqc

• 02:54

Meet the Inventor of the Rubik’s Cube

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Since the 1980s, the Rubik’s Cube has captivated the minds of puzzle solvers around the globe. But how did one of the world’s most addictive and prolific puzzles come to be? It all began in the beautiful city of Budapest, in the beautiful mind of Ernő Rub

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• 13:43

IIT JEE Complex Root Probability (part 1)

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2010 Paper 1 problem 31 Math (part 1) More free lessons at: http://www.khanacademy.org/video?v=bV_HSZ_W0nk

• 03:53

407 views / 0 likes - added

• 06:06

Equivalent Fractions And Different Wholes | Fractions | 4th Grade | Khan Academy

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Learn how two fractions are equivalent only if they refer to the same whole. For example, 1/2 of a small circle is not the same as 1/2 of a big circle. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-

• 04:19

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

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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

• 01:36

Regal Academy | First Official Super Trailer | Nick

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Welcome to Regal Academy! Follow Rose Cinderella on her adventure through a fairy tale school, as she discovers her family's true storybook past... and rides a dragon or two! Don't miss the brand new show coming happily ever after to Nickelodeon! Subscrib

• 01:45

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In this Flipside Science unit, designed for a middle school audience, we'll explore environmental issues related to energy use and conservation. In our most recent installment, find out how a dairy farm is using a methane digester to turn cow poop into el

• 09:16

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• 02:32

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

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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

• 06:14

What's inside a Fidget Cube?

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We CUT OPEN a Fidget Cube! VERY interesting to see inside! Buy this Fidget Cube here: http://amzn.to/2oqMAyC Anxiety, Stress, restlessness, OCD, ADHD there are SO MANY people that could benefit from using this Fidget Cube. Even kids and toddlers have been

• 09:19

Linear Algebra: Proof of formula for determining Eigenvalues

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Proof of formula for determining Eigenvalues More free lessons at: http://www.khanacademy.org/video?v=rfm0wQObxjk

• 13:57

Linear Algebra: Gram-Schmidt example with 3 basis vectors

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Gram-Schmidt example with 3 basis vectors More free lessons at: http://www.khanacademy.org/video?v=ZRRG386v6DI

• 02:25

Halves And Fourths | Geometry | Early Math | Khan Academy

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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

• 04:24

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

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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

• 09:45

401 views / 1 likes - added

• 03:50

Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

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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

• 03:00

Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

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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

• 02:04

Guess The Diagonal - Brain Teaser

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Try to solve this brain teaser in less than a minute. You must guess the diagonal inside of the circle. There is enough information given which allows you to find the length of the diagonal in less than a minute. My name is Chris and my passion is to teac

• 05:09

Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

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Converting from slope-intercept to standard form Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/standard-form/e/converting_between_slope_intercept_and_st

• 04:06

Making 5 | Basic Addition And Subtraction | Early Math | Khan Academy

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• 02:00

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

• 08:19

Linear Algebra: Duplicate Row Determinant

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Determinant of a matrix with duplicate rows More free lessons at: http://www.khanacademy.org/video?v=gYv8sttBIqs

• 04:01

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

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Learn how to compare 22.9% to √0.45 using a calculator. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-numbers-operations/cc-8th-approximating-irrational-numbers/e/approximating-irr

• 07:14

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

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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

• 01:36

Are you smart enough to solve this simple brain teaser?

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This simple brain teaser is not so easy. A virus is doubling every singe day. On the 67th day the virus has reached its max population. When will the virus reach half of its max population. My name is Chris and my passion is to teach math. Learning should

• 17:26

Linear Algebra: Projections onto Subspaces

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Projections onto subspaces More free lessons at: http://www.khanacademy.org/video?v=5B8XluiqdHM

• 04:26

Shared Binomial Factor Between Perfect Square And Difference Of Squares

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Shared binomial factor between perfect square and difference of squares

• 02:11

Ratios, Rates, And Proportions — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic 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-q1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=

• 01:54

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

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

• 05:39

Linear Algebra: Example solving for the eigenvalues of a 2x2 matrix

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Example solving for the eigenvalues of a 2x2 matrix More free lessons at: http://www.khanacademy.org/video?v=pZ6mMVEE89g

• 02:28

Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

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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

• 06:29

How To Use The Distributive Property With Variables | 6th Grade | Khan Academy

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Learn how to apply the distributive property to algebraic expressions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-expressions-and-variables/cc-6th-distributive-property/e/distrib

• 04:28

Circle Theorems — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev

• 09:43

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

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• 01:54

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

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

• 48:26

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Need help with SAT math? Join Eric, one of Khan Academy’s SAT experts, for an SAT math class. Eric reviews some of the most important math skills for the test and provides tips on how to avoid careless mistakes. This is a recording of our May 16 livestrea

• 05:51

Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

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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

• 04:05

How To Find Mistakes In One Step Equations | 6th Grade | Khan Academy

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Learn how to spot mistakes in someone else's work as they attempt to solve one-step equations. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-equations-and-inequalities/cc-6th-one-st

• 04:56

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

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• 02:03

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

390 views / 1 likes - added

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

• 02:49

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

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• 04:10

Circle Theorems — Harder Example | Math | New SAT | Khan Academy

389 views / 0 likes - added

Watch Sal work through a harder Circle theorems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre

• 03:23

Spots On A Die | Addition And Subtraction Within 100 | Early Math | Khan Academy

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• 14:10

Linear Algebra: Determinant of Transpose

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Proof by induction that transposing a matrix does not change its determinant More free lessons at: http://www.khanacademy.org/video?v=x-GV2v0dRNE

• 02:46

Defining Rotation Example | Transformations | Geometry | Khan Academy

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Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson

• 20:00

Linear Algebra: Matrix condition for one-to-one trans

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Showing that the rank of the of an mxn transformation matrix has to be an for the transformation to be one-to-one (injective) More free lessons at: http://www.khanacademy.org/video?v=M3FuL9qKTBs

• 22:08

Linear Algebra: Orthogonal Complements

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Orthogonal Complements as subspaces. More free lessons at: http://www.khanacademy.org/video?v=QOTjdgmNqlg

• 03:04

Trick Question - Find the missing dollar

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Trick question! Three friends are overcharged for their hotel room. The hotel decides to refund the difference. After the hotel issues the refund one dollar has mysteriously disappeared. Where is the missing dollar? Find the solution to this trick questio

• 02:15

How to Add Square Roots to Numerator Fractions

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How to Add Square Roots to Numerator Fractions. Part of the series: Math Problems. Adding square root numerator fractions requires you to keep the terms in the problem separate. Add square root numerator fractions with help from a mathematics educator in

• 06:47

Noble Gas Configuration | Electronic Structure Of Atoms | Chemistry | Khan Academy

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How to write electron configurations for atoms and monatomic ions using noble gas configuration Chemistry on Khan Academy: Did you know that everything is made out of chemicals? Chemistry is the study of matter: its composition, properties, and reactivity

• 09:13

Linear Algebra: Simpler 4x4 determinant

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Calculating a 4x4 determinant by putting in in upper triangular form first. More free lessons at: http://www.khanacademy.org/video?v=QV0jsTiobU4

• 02:37

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

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

• 02:39

Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

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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/

• 04:51

Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

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• 03:52

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

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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

• 02:26

Math Puts a New Twist on Solving a Rubik's Cube with the Fewest Moves

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For this puzzle with over 43 quintillion permutations, author Ian Scheffler explains how players have found the most efficient route to resolving a Rubik’s cube.

• 01:03

Subtraction Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

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Learn how to solve word problems by subtracting small numbers (numbers 10 or less). 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-word-problem-wit

• 02:36

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

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• 07:08

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

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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

• 05:42

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

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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/

• 02:26

Function Notation — Basic Example | Math | New SAT | Khan Academy

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Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse

• 02:33

Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

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• 00:56

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

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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&

• 04:32

Math Word problems - Solving triangles

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Become an expert in solving math word problems! In this problem you will learn how to use triangles to solve the height of a building. A man steps back 50 feet which the angle to the top of the building change 15 degrees. Using this information find the h

• 18:50

Linear Algebra: Least Squares Examples

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An example using the least squares solution to an unsolvable system More free lessons at: http://www.khanacademy.org/video?v=8mAZYv5wIcE

• 12:14

Algebra Basics: Exponents In Algebra - Math Antics

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Part of the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Previous video: https://youtu.be/K6ewhnaL4KQ This video shows how exponents can be used more generally with variables. It explains why x

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• 03:06

Decimal Intuition With Grids (examples) | Decimals | 4th Grade | Khan Academy

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