Search Results: "Volume Word Problems "

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06:01 Popular
Can You Solve The Viral 1 + 4 = 5 Puzzle? The Correct Answer Explained

11.8k views / 1 likes - added 7 years ago

This problem was shared on Facebook with the claim that only one in a thousand could figure it out. It went viral and generated over 3 million comments. Here is the problem. If 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, what is 8 + 11 = ? This video presents what
05:47 Popular
Sesame Street: Respect (Word on the Street Podcast)

10.9k views / 5 likes - added 9 years ago

The word on the street this week is respect: treating people the way you want to be treated. Everyone understands the importance of respect, little kids, Superman, a bunch of chickens! Watch this video to hear what other people think about respect, and pl
02:06 Popular
Can You Solve The Viral Matchstick Puzzle 6 + 4 = 4?

3,485 views / 0 likes - added 7 years ago

Can you fix 6 + 4 = 4 by moving 1 matchstick? This problem has gone viral on Facebook, with one post having over 400,000 shares. The ground rules are you cannot break a stick, it should be an equality (=), and you have to use 7-segment numbers (the block
11:27 Popular
Can You Solve The Viral 11x11 = 4 Puzzle? The Correct Answer Explained

3,056 views / 1 likes - added 7 years ago

If 11x11=4 and 22x22=16, what is 33x33=? This puzzle has been shared with the claim that only geniuses can solve it. It has gotten millions of views on the internet and Facebook as people have debated the correct answer. In this video I present what many
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,585 views / 0 likes - added 8 years ago

Watch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
03:25 Popular
Can You Solve This? AA + BB + CC = ABC

2,484 views / 0 likes - added 7 years ago

If AA + BB + CC = ABC, what are the values of A, B, and C? All the digits are distinct and positive. Watch the video for a solution. Blog (text explanation): http://wp.me/p6aMk-4Cm If you like my videos, you can support me at Patreon: http://www.patreon.c
05:04 Popular
Area of a Triangle - Fun challenging math problem

2,188 views / 0 likes - added 7 years ago

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
10:08 Popular
FUNNY LONG, SHORT AND CURLY HAIR PROBLEMS || Relatable Situations And Fails by 123 GO!

2,139 views / 12 likes - added 3 years ago

Which of these hair problems did you relate to most? Share this video with your friends who feel your pain. And, as always, dont forget to subscribe to 123 GO! YouTube page for more awesome content!#123GO #funny #failsMusic by Epidemic Sound: https://www.
10:05 Popular
LONG AND SHORT NAIL PROBLEMS AND FUNNY SITUATIONS || Funniest Moments by 123 GO!

2,081 views / 7 likes - added 3 years ago

Love the look of long, colorful nails? They sure are elegant, but practical? Well that depends on who you ask. Today, were answering the age old question: whats better, long nails or short nails?Would you dare to rock long nails like the girls in the vide
23:55 Popular
Girl Shamed For Skin Problems ft. Jamie Kern Lima | Dhar Mann

1,988 views / 7 likes - added 3 years ago

You are beautiful. Thanks for watching my video! For exclusive giveaways & more inspirational content follow me on Instagram here: http://bit.ly/2Kcbgs2Also, did you know you can text me at 213-212-4550 or click this link https://bit.ly/2xXgraR and Ill ad
10:06 Popular
AWESOME HACKS TO SOLVE ALL YOUR PROBLEMS || New Girly Hacks by 123 GO!

1,980 views / 7 likes - added 3 years ago

Listen up, ladies! Youve got a lot to worry about. From surprise messes, to brow blunders! Its like the problems never end! But dont stress. Weve got some game-changing girly hacks for the win!These girly hacks sure come in handy in a jam! Share this vide
01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

1,945 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
02:15 Popular
Addition And Subtraction Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

1,935 views / 0 likes - added 8 years ago

See how to solve a bunch of addition and subtraction problems with small numbers. All numbers in this video are 10 or less. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-basic
05:38 Popular
Algebra word problem - System of Equations

1,926 views / 0 likes - added 7 years ago

Solve this fun algebra word problem using a system of equations. If each jar has three cookies, one jar will be empty. If each jar has two cookies, there will be one cookie left over. Use a system of equations to find how many cookies and jars we have. My
12:36 Popular
Math Antics - Volume

1,923 views / 0 likes - added 8 years ago

Learn More at mathantics.com Visit http://www.mathantics.com for more Free math videos and additional subscription based content!
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08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

1,862 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
02:51 Popular
The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

1,728 views / 2 likes - added 7 years ago

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:
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,720 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
07:25 Popular
Algebra Word Problem - Factoring

1,708 views / 0 likes - added 7 years ago

Learn how to solve this algebra word problem by factoring. A garden has an area of 84 square feet and the length is 8 feet longer than the width. You must find the dimensions of the garden using factoring. My name is Chris and my passion is to teach math.
04:55 Popular
Solve the right triangle - Trigonometry Brain Teaser

1,697 views / 0 likes - added 7 years ago

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

1,668 views / 0 likes - added 8 years ago

We're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

1,636 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
03:48 Popular
Can You Solve This Harvard Admissions Question? Algebra Problem, 1869

1,478 views / 0 likes - added 7 years ago

The Harvard admissions exam in 1869 included this algebra problem: "A man bought a watch, a chain, and a locket for $216. The watch and locket together cost three times as much as the chain, and the chain and locket together cost half as much as the watch
04:21 Popular
How To Write One-step Equations For Word Problems | 6th Grade | Khan Academy

1,456 views / 0 likes - added 8 years ago

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
38:41 Popular
Converting Units With Conversion Factors - Metric System Review & Dimensional Analysis

1,456 views / 0 likes - added 3 years ago

This metric system review video tutorial provides an overview / review of how to convert from one unit to another using a technique called dimensional analysis or the factor label method. It shows you how perform conversions with SI units in the metric sy
06:24 Popular
The Seemingly Impossible Escape Logic Puzzle

1,454 views / 0 likes - added 7 years ago

An evil logician takes Alice and Bob captive. They have a chance to escape if they can deduce the total number of trees in the prison. Can they figure it out? Source of puzzle wu: riddles forum https://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board
04:09 Popular
Easy algebra word problem - But can you solve it?

1,446 views / 0 likes - added 7 years ago

Two workers can build a house in 4 days. One worker can build the house by himself in 6 days. How long would it take the other worker to build the house by himself? Can you solve this easy algebra word problem? My name is Chris and my passion is to teach
04:28 Popular
Adding And Subtracting On Number Line Word Problems | Early Math | Khan Academy

1,428 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-add-sub-100-word-problems/e/adding-and-subtracting-on-the-number-line-word-problems?utm_source=YT&utm_medium=De
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,396 views / 2 likes - added 7 years ago

This problem is said to come from a test given to a Chinese kindergarten class (5 year olds). It was posted online and caused a lot of debate as adults were stumped about the correct answer, some saying it is impossible. Can you figure it out? This video
01:42 Popular
How To Use Rounding in Math Problems

1,369 views / 1 likes - added 5 years ago

How To Use Rounding in Math Problems. Part of the series: Math Problems. In certain math problems rounding may actually make finding a solution easier and more clear. Use rounding in math problems with help from a mathematics educator in this free video c
01:43 Popular
Solving Problems With Bar Graphs 2 | Measurement And Data | Early Math | Khan Academy

1,341 views / 1 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-bar-graphs/e/solving-problems-with-bar-graphs-2?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Wat
01:56 Popular
How to Do Fractional Coefficients

1,320 views / 0 likes - added 5 years ago

How to Do Fractional Coefficients. Part of the series: Math Problems. Fractional coefficients need to be completed in a very specific way. Learn how to do fractional coefficients in math problems with help from a mathematics educator in this free video cl
04:32 Popular
Math Word problems - Solving triangles

1,317 views / 0 likes - added 7 years ago

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
04:53 Popular
Can You Solve The Friendship Riddle?

1,309 views / 0 likes - added 7 years ago

In a group of 6 people, you might find that some people are friends on Facebook, or you might find out that no one is friends on Facebook. Show that there is always a group of 3 people in which either: (a) all 3 people are mutual friends or (b) the 3 peop
05:54 Popular
Sesame Street: Sculpture with Jon Hamm (Word on the Street Podcast)

1,301 views / 0 likes - added 9 years ago

A sculpture is a piece of art that's made by shaping or carving something or putting things together. Jon Hamm and Elmo were going to tell you about the word sculpture, but Elmo is coincidentally busy making a sculpture so John Hamm will do most of the ex
05:03 Popular
Systems Word Problem With No Solution

1,299 views / 0 likes - added 8 years ago

Systems word problem with no solution
04:51 Popular
How to solve problems like a designer

1,294 views / 0 likes - added 6 years ago

The design process for problem-solving, in 4 steps. Subscribe to our channel! http://goo.gl/0bsAjO Many thanks to Tim Brown and TED for this interview we recorded at TED 2017. IDEO is an international design company founded in 1991. In the beginning, IDEO
02:57 Popular
Viral Facebook Math Problem

1,293 views / 1 likes - added 7 years ago

This problem has over 2 million comments on Facebook and is getting coverage in mainstream media and blogs. Can you figure out this Facebook fruit algebra puzzle involving apples, bananas, and coconuts? The video presents what many people consider to be t
04:42 Popular
How To Write Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

1,289 views / 0 likes - added 8 years ago

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
08:05 Popular
Can You Solve The Hardest Easy Geometry Problem?

1,274 views / 1 likes - added 7 years ago

In the figure, what is the value of angle x? This problem is known as Langley's Adventitious Angles. It is also known as the hardest easy geometry problem because it can be solved by elementary methods but it is notoriously difficult to work out. Can you
09:50 Popular
Can You Solve This 6th Grade Geometry Problem From China?

1,263 views / 1 likes - added 7 years ago

What is the total area of the red spots? The diagram involves a rectangle with dimensions of 10 and 20. Inside the rectangle one of its diagonals is connected. There are two circles of equal size that are tangent to each other and the rectangle. The video
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01:57 Popular
I Will Read Your Mind - Math Magic Trick

1,257 views / 2 likes - added 7 years ago

Pick a 2 digit number. Got it? Now and add up the digits. Subtract that from your original number. Look up the resulting number in the table. Can I figure out the symbol you are looking at? This video predicts your symbol and explains why this math trick
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04:22 Popular
Impossible Algebra Problem

1,244 views / 0 likes - added 7 years ago

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
02:55 Popular
Linear Equation Word Problems — Basic Example | Math | New SAT | Khan Academy

1,233 views / 0 likes - added 9 years ago

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
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,224 views / 0 likes - added 8 years ago

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
05:24 Popular
Math Challenge - Shrinking Pool Problem

1,198 views / 0 likes - added 7 years ago

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
04:20 Popular
Visually Converting From Tenths To Hundredths | 4th Grade | Khan Academy

1,195 views / 0 likes - added 8 years ago

Learn how to convert fractions from tenths to hundredths using grid diagrams. 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/equivale
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

1,184 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
01:14 Popular
Can Namib Desert Beetles Help Us Solve Our Drought Problems? | Think Like A Tree

1,170 views / 2 likes - added 8 years ago

Namib desert beetles live in an area with little ground water, so how is it that they have no trouble finding H2O? Find out how the resourceful insects use their wing scales to absorb water droplets from fog, and how we can use them as a model for combati
28:19 Popular
How To Solve Projectile Motion Problems In Physics

1,143 views / 0 likes - added 3 years ago

This physics video tutorial provides projectile motion practice problems and plenty of examples. It explains how to calculate the maximum height if a ball is launched from the ground with an initial speed at and angle. It also shows you how to calculate t
14:08 Popular
DNA, Hot Pockets,&The Longest Word Ever: Crash Course Biology #11

1,137 views / 0 likes - added 9 years ago

Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins. Crash Course B
05:57 Popular
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

1,131 views / 1 likes - added 7 years ago

This problem was given to Primary 6 (age 11-12) students in Singapore. What is the area of the shaded region in the video, which consists of the region bounded by 4 quarter circles in a 3x3 grid of squares, and each square has a side length of 4? The shad
05:00 Popular
H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

1,105 views / 2 likes - added 8 years ago

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys
02:57 Popular
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser

1,099 views / 0 likes - added 7 years ago

In 1911, Srinivasa Ramanujan posed this problem involving an infinite nested radical (a never-ending expression that has square roots inside of square roots). Can you figure out how to simplify the equation? The video presents an intuitive solution. Techn
04:07 Popular
Solve Problems: Be An Engineer!

1,098 views / 6 likes - added 8 years ago

Learn about engineers, who dream up a lot of the things you use every day, from toys to tools! ---------- 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 produc
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24:49 Popular
Static Friction and Kinetic Friction Physics Problems With Free Body Diagrams

1,093 views / 0 likes - added 3 years ago

This physics video tutorial provides a basic introduction into kinetic friction and static friction. It contains plenty of examples and physics problems that asks you to calculate the acceleration using newton's laws of motion. The static frictional force
07:49 Popular
Can You Solve The Viral 9 = 72 Puzzle? The Correct Answer Explained

1,079 views / 0 likes - added 7 years ago

This problem has been shared millions of times on Twitter/Facebook with the claim "99% fail" to solve it and that only a genius could find the correct answer. If 9 = 72, 8 = 56, 7 = 42, 6 = 30, 5 = 20, then 3 = ? In this video I explain what many people b
05:43 Popular
Sesame Street: Cheer! (Word on the Street Podcast)

1,058 views / 0 likes - added 9 years ago

Give a cheer, give a cheer, give a most substantial cheer! Sesame Street is here and cheering you on! Don't know what a cheer is? That's OK because lots of people are going to show exactly what we mean in this video! C-H-E-E-R Cheer! Subscribe to the Sesa
05:29 Popular
Sesame Street: Absorb (Word on the Street Podcast)

1,054 views / 0 likes - added 9 years ago

The word on the street is absorb. Murray, Anna Kendrick, Ernie, and some kids on the street are all very excited to teach you what absorb means. Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet
01:39 Popular
You Can Turn Words Into Cartoons

1,053 views / 1 likes - added 8 years ago

http://wordtoons.com Watch how you can turn the word dog into a great cartoon of a dog and the word UFO into a cartoon of a UFO. and find out how you can create many others like baby, fish , frog and robot into a cartoon of what the word says. See the Fac
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05:42 Popular
Sesame Street: Relax (Word on the Street Podcast)

1,051 views / 2 likes - added 9 years ago

Relax! It's the weekend. Everyone could use a little bit of relaxing every now and then. Whether your frustrated from standing in line or your tired from a long hard week of preschool, it's important to make time for relaxing. Subscribe to the Sesame Stre
02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,045 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
03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

1,038 views / 0 likes - added 8 years ago

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
04:37 Popular
Fraction-decimal Intuition Problems (examples) | 4th Grade | Khan Academy

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

Understand the connection between decimals and fractions using a grid diagram. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-decimals/cc-4th-decimal-fractions/e/fraction-decimal-in
07:21 Popular
Can You Solve The Magical Pond Puzzle?

1,036 views / 1 likes - added 7 years ago

(Same video with music: https://youtu.be/nF-Gpk0ZpRk) You visit a shrine that has 3 temples. Before each temple, you have to swim in a magical pond. Your path is pond-temple1-pond-temple2-pond-temple 3. Each time you swim, the pond magically triples the n
02:36 Popular
Understanding Place Value When Adding Ones | Early Math | Khan Academy

1,027 views / 0 likes - added 8 years ago

Learn how to add 37 + 2 by thinking about place value. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-100/cc-early-math-add-ones-tens/e/add-within-100--level-1?utm_source=YT&ut
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

1,026 views / 0 likes - added 8 years ago

Watch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
11:54 Popular
Oddly Satisfying TikTok Videos that fixed all my problems

1,019 views / 3 likes - added 2 years ago

Oddly Satisfying TikTok Videos that fixed all my problems SUBSCRIBE and become part of the AzzyLand family :D OFFICIAL AZZYLAND MERCH https://www.azzyland.com/shop SOCIAL MEDIAInstagram: https://www.instagram.com/azzyland/Tik Tok: https://www.tiktok.com/@
06:24 Popular
Can You Solve The Chameleon Riddle?

1,010 views / 0 likes - added 7 years ago

A museum has 13 blue, 15 red, and 17 green chameleons. Whenever two chameleons of different colors meet, they both change into the color of the other chameleon (if blue and red met, for example, they would both turn green). As the chameleons mingle, is it
04:58 Popular
Your Brain Can Solve Algorithms - David J. Malan

1,009 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit
03:16 Popular
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

1,004 views / 0 likes - added 7 years ago

What is angle A in the star-shaped figure? This problem appeared on the 1999 AMC 8 test (intended for 8th grade students in the US). Approximately 75% of test-takers did not mark the correct response. Can you figure it out? Watch the video for a solution.
04:01 Popular
Product rule - Calculus derivatives tutorial

996 views / 0 likes - added 6 years ago

Learn how to take the derivative of a function using the product rule. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMeeting.com My name is Chris and
19:37 Popular
Smart Math Techniques - Solve maths problems in seconds

991 views / 0 likes - added 6 years ago

Topic In this topic our expert trainer Shruti explains how to solve difficult maths problems in a matter of seconds. OBJECTIVE To enable you to to do faster calculation using best speed maths techniques and make you score more in your exams. These speed m
04:28 Popular
Product rule - Logarithm derivatives example

986 views / 0 likes - added 6 years ago

Learn calculus with this product rule Derivative example with logarithms and exponential functions. This complete calculus derivatives tutorial explains why and how to use the product rule. To see all my calculus videos check out my website http://MathMee
01:18 Popular
Can You Make 4 Triangles From 6 Matches?

985 views / 0 likes - added 7 years ago

Can you use 6 matches to make 4 triangles of equal size and equal shape? This is harder than it sounds! Give it a try before watching the video for a solution. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions
05:48 Popular
Sesame Street: Courteous (Word on the Street Podcast)

966 views / 1 likes - added 9 years ago

Being courteous is important when you are a wee little kiddo. Why, you may politely ask? Because it's important to be respectful and use manners and being polite when you are interacting with other people. Subscribe to the Sesame Street Channel here: http
05:48 Popular
Sesame Street: Confidence (Word on the Street Podcast)

957 views / 0 likes - added 9 years ago

Come on! Stand up straight! Smile and make eye contact. Be confident! Why? Because you're you and no one does a better job being you than you! You got this! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=S
13:40 Popular
BEST Way To Play Memory (Card Game) - WIN Using Math

955 views / 0 likes - added 7 years ago

The card game of memory (aka concentration) is a children's game to test visual recall. Strategically you can figure out the best move by doing probability calculations. This video explains the best possible way to play the game mathematically. You can le
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03:51 Popular
Can You Solve This MIT Admissions Question? Geometry Problem, 1869

951 views / 0 likes - added 7 years ago

The Massachusetts Institute of Technology (MIT) is one of the top ranked universities in the world. This question appeared on its admissions exam nearly 150 years ago. "The perpendicular dropped from the vertex of the right angle upon the hypotenuse divid
03:09 Popular
How To Write Basic Algebraic Expressions From Word Problems | 6th Grade | Khan Academy

949 views / 0 likes - added 8 years ago

Learn how to write basic 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
10:25 Popular
ck12.org Normal Distribution Problems: Empirical Rule

942 views / 0 likes - added 9 years ago

Using the empirical rule (or 68-95-99.7 rule) to estimate probabilities for normal distributions More free lessons at: http://www.khanacademy.org/video?v=OhRr26AfFBU
02:53 Popular
More Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

940 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
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Ideal Gas Problems: Crash Course Chemistry #13

936 views / 0 likes - added 9 years ago

We don't live in a perfect world, and neither do gases - it would be great if their particles always fulfilled the assumptions of the ideal gas law, and we could use PV=nRT to get the right answer every time. Unfortunately, the ideal gas law (like our cul
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Interpreting Function Graphs Word Problems

935 views / 0 likes - added 9 years ago

Interpreting function graphs word problems
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Length Word Problems | Measurement And Data | Early Math | Khan Academy

935 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-word-problems/e/length-word-problems?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch t
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Comparison Word Problems | Addition And Subtraction Within 20 | Early Math | Khan Academy

935 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-20/cc-early-math-word-problems-more-fewer-20/e/addition-and-subtraction-word-problems-within-20--level-3?utm_source=YT&utm_medium
00:31 Popular
Sesame Street: Word on the Street - Subtraction

921 views / 1 likes - added 9 years ago

Murray introduces the word "subtraction". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at h
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How To Draw The Word Art (Simple Graffiti Style) + Challenge Time

921 views / 0 likes - added 5 years ago

Learn how to draw the word art in simple graffiti style! Plus, stay until the end for this week's CHALLENGE TIME! #howtodraw #artforkidshub
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Subtraction / Subtracting Integers - Word Problem

917 views / 0 likes - added 8 years ago

Subtraction / Subtracting Integers - Word Problem. Here I look at a little word problem dealing with adding and subtracting integers.
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Cognition: How Your Mind Can Amaze and Betray You - Crash Course Psychology #15

911 views / 1 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.
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Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

911 views / 0 likes - added 7 years ago

A marshmallow has the shape of a cylinder with diameter 5 and height 3. A dessert is made with 24 marshmallows: there are two stacked layers of marshmallows, and each layer has 3 rows of 4 marshmallows. The gaps between the marshmallows are filled with ch
04:41 Popular
Subtracting Mixed Numbers Word Problem

907 views / 0 likes - added 9 years ago

U02_L3_T2_we4 Subtracting Mixed Numbers Word Problem More free lessons at: http://www.khanacademy.org/video?v=tj9oLZYA-AQ Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
00:31 Popular
Sesame Street: Word on the Street -- Inflate

900 views / 0 likes - added 9 years ago

Murray introduces the word "inflate". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http:
05:44 Popular
Sesame Street: Author (Word on the Street Podcast)

895 views / 0 likes - added 9 years ago

Wouldn't you love to just write books all day? Of course you would, because being an author is a great job! Listen to Murray and Grover and Lauren Graham and a bunch little whipper snappers talk all about the word author in this word on the street podcast
04:30 Popular
Adults Are Arguing About This 3rd Grade Math Problem

894 views / 0 likes - added 7 years ago

"If Sue runs around the track twice, and John runs around the track four times more than Sue, how many times does John run around the track?" This problem was given to 3rd graders. A parent disagreed with the answer the teacher was marking. After it was p
05:52 Popular
Sesame Street: Adventure (Word on the Street Podcast)

893 views / 0 likes - added 9 years ago

The word on the street is adventure, and if you haven't been on an adventure yet, Murray has a bunch of great adventurous ideas for you! Ever go looking for slugs in your backyard? What about digging a gigantic hole at the beach? Life is full of adventure
05:43 Popular
Sesame Street: Plan (Word on the Street Podcast)

892 views / 0 likes - added 9 years ago

What's the plan, Stan? You're probably wondering what a plan is to begin with. Great. This video will tell you all about the word plan, but here's a head start: a plan is something you make to reach a certain goal or destination. Want some cookies? Make a
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

892 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
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Can You Solve The 21 Flags Game From Survivor?

892 views / 1 likes - added 7 years ago

Contestants on the TV show "Survivor" faced off in a series of challenges for a grand prize of $1 million. Most of the challenges were physical like hiking many miles or diving underwater. But one challenge was mathematical. The game had 21 flags and cont
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Find The 10 Digit Number Classic Puzzle And Solution

891 views / 0 likes - added 7 years ago

I'm thinking of a 10 digit number that uses the each digit 0 to 9 exactly once and where the number formed by the first n digits is divisible by n. What could my number be? The video explains how to find the answer using tests for divisibility. Blog post:
07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

887 views / 0 likes - added 8 years ago

Fun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI
05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

887 views / 0 likes - added 8 years ago

We're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r
05:33 Popular
What is 6÷2(1+2) = ? The Correct Answer Explained

886 views / 0 likes - added 7 years ago

What is 6÷2(1+2) = ? This problem went viral and generated millions of comments on Facebook, Twitter, YouTube and social media sites. I explain how to get the correct answer by using the modern interpretation of the order of operations. I also explain how
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05:44 Popular
Sesame Street: Sturdy (Word on the Street Podcast)

883 views / 0 likes - added 9 years ago

What does the word sturdy mean? What kind of things can be sturdy? Should a house be sturdy? A Bridge? Your dad? Lots of thing must be (and are) sturdy. Watch this word on the street podcast and your understanding of the word sturdy will be quite, well, s
05:43 Popular
Sesame Street: Imagination (Word of the Day Podcast)

882 views / 0 likes - added 9 years ago

Imagination is a beautiful thing. What kinds of things do you imagine? Do you imagine yourself on a rocket ship? riding a unicorn through the clouds? finsihing your homework and going out to play in the street? Watch this podcast and learn what special th
10:20 Popular
SURPRISING Coin Flipping Probability - Flips To HH Versus HT

876 views / 0 likes - added 7 years ago

What is the expected number of coin flips until you get two heads in a row (HH)? What is the expected number of coin flips until you get a heads followed by a tails (HT)? The video presents the solution and an intuitive explanation for this probability ri
05:49 Popular
Sesame Street: Strategy (Word on the Street Podcast)

873 views / 0 likes - added 9 years ago

When do you use a strategy? Do you even know what strategy means? OK. A strategy is a plan you make to achieve a goal. For example, say you want to make it to the moon. You'd probably want to figure out a plan of how to get there. Maybe before getting to
07:39 Popular
Can You Solve The Alien Extinction Riddle? Hard Job Interview Question

870 views / 0 likes - added 7 years ago

A single alien lands on Earth. Every day after that, each alien on Earth undergoes a transformation, which could be any of the four equally likely events: (a) the alien dies, (b) the alien does nothing, (c) the alien replicates itself (2 aliens total), (d
02:12 Popular
Fewer Word Problems | Addition And Subtraction Within 100 | Early Math | Khan Academy

865 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
13:30 Popular
IP Problems, YouTube, And The Future: Crash Course Intellectual Property #7

864 views / 0 likes - added 8 years ago

In which Stan Muller talks about some of the problems in Intellectual Property law as it exists today. He'll also teach you a little about how IP law applies to everyone's favorite media platform, YouTube. Lastly, he'll do a little prognosticating, and tr
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Using Crayons | Addition And Subtraction Within 100 | Early Math | Khan Academy

864 views / 1 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-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-2?utm_source=YT&utm_medium
05:42 Popular
Sesame Street: Translate (Word on the Street Podcast)

863 views / 0 likes - added 9 years ago

Have you ever tried having a conversation with a Spanish-speaking lion? It can be hard to understand what he's saying and so in those instances that you find yourself with a Spanish-speaking lion you might ask politely that he translate his words into Eng
01:42 Popular
Addition Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

861 views / 1 likes - added 8 years ago

Learn how to solve word problems by adding 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-within-1
01:49 Popular
This Matchstick Puzzle Is

858 views / 1 likes - added 7 years ago

This classic matchstick/toothpick puzzle is making the rounds because it is supposedly "extremely hard" for adults. Can you make 3 squares by moving 3 matchsticks? You cannot break any of the sticks, the resulting squares must be of equal size, and each t
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09:11 Popular
Can You Solve The Rectangle Ratio Puzzle? The Surprising Answer

855 views / 0 likes - added 7 years ago

Start with a unit square (a rectangle with both sides equal to 1, call it R1). Attach a rectangle of area 1 to its right side, then attach a rectangle of area 1 to its top. The border of this new shape is another rectangle, call it R2. We can repeat the p
00:31 Popular
Sesame Street: Word on the Street - Amplify

850 views / 0 likes - added 9 years ago

Murray introduces the word "amplify." Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http:
04:13 Popular
Adults Stumped By Geometry Problems For 10 Year Olds. Can You Solve Them?

846 views / 0 likes - added 7 years ago

These homework problems were given to 10 year old children (Year 5) in England (Glossop, Derbyshire) and they were posted to Facebook when some adults found them to be difficult. One person claimed the problems were impossible to solve. Can you figure the
05:09 Popular
Can You Solve The Snake Eyes Probability Riddle?

844 views / 0 likes - added 7 years ago

You close your eyes and roll a pair of dice. The casino dealer announces that at least one of the rolls is showing a 1.What is the probability that both dice are showing a 1? Watch the video for the solution. (Snake eyes is a term for rolling a pair of 1s
00:31 Popular
Sesame Street: Word on the Street - Splatter

838 views / 0 likes - added 9 years ago

Murray introduces the word "splatter." Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http
08:01 Popular
Surface Area to Volume Ratios - Christmas Lectures with Philip Morrison

836 views / 0 likes - added 5 years ago

The mathematicians of Lilliput assumed that Gulliver would need 1728 times as much food as an individual Lilliput. Philip Morrison shows why this is not true, using surface area to volume ratios. Watch the full lecture: http://www.rigb.org/christmas-lectu
07:47 Popular
Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question

828 views / 0 likes - added 7 years ago

This problem has been asked in job interviews. On the morning of January 1, a hospital nursery has 3 boys and some number of girls. That night, a woman gives birth to a child, and the child is placed in the nursery. On January 2, a statistician conducts a
00:31 Popular
Sesame Street: Word on the Street - Attach

824 views / 0 likes - added 9 years ago

Murray introduces the word "attach". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http:/
00:52 Popular
Sesame Street:“Elmo The Musical – Volume 2” Preview

824 views / 0 likes - added 9 years ago

It’s volume two of Elmo’s math-filled musicals, packed with 7 all-new to DVD episodes! With over two hours of music, adventure, math, friendship and fun, little learners will love to sing along! Includes a bonus full-length video of “Play With Me Sesame:
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Sesame Street: Jealous (Word on the Street Podcast)

822 views / 0 likes - added 9 years ago

Jealous is a strong feeling you have when you want something that someone else has. Maybe its that ball that your neighbor has, or the blue toothbrush your older brother has, maybe you're jealous of your dad's mustache! It's normal to feel jealous, but it
04:17 Popular
How volume changes from changing dimensions

816 views / 0 likes - added 7 years ago

How volume changes from changing dimensions
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"Impossible" Logic Puzzle - How Many Liars Are At The Party?

814 views / 0 likes - added 7 years ago

A party has 100 people who are either liars are truth tellers. Liars always lie and truth tellers always say the truth. After the party you ask each person, "How many truth tellers did you shake hands with?" Each person gives a different answer from 0 to
06:28 Popular
Sesame Street: Soggy (Word on the Street Podcast)

810 views / 0 likes - added 9 years ago

What's it mean to be soggy? Do you like soggy bread or soggy cereal? Probably not! Soggy is when something is mushy and wet. Your cereal gets soggy when you take too much time to eat it so stop reading this and eat your cereal while you watch this video!
02:22 Popular
Science Of Why People Hate The Word 'Moist'

810 views / 1 likes - added 6 years ago

Moist is one of the most disliked words in the world. People compare hearing the word moist to hearing nails on a chalkboard. What is it about this word that causes people to have such a strong reaction? Tech Insider tells you all you need to know about t
03:31 Popular
How Logical Are You? The Irrationality Illusion Tricks Most

805 views / 0 likes - added 7 years ago

This video relates a cognitive bias ("irrational" decision) to an optical illusion (picture at 1:45). For more, check out my new book, "The Irrationality Illusion: How to Make Smart Decisions And Overcome Bias" http://amzn.to/1o3FaAg Blog post (text and i
03:54 Popular
What's The Best Soup Can Size? The Optimal Cylinder Puzzle

802 views / 0 likes - added 7 years ago

A cylindrical can with volume V can be made in different ways. The cylinder can be wide and short (large radius and small height), or it can be narrower and taller (small radius and larger height). Which shape uses the least material? That is, which can h
02:37 Popular
Adults Stumped By Maths Questions For 15 Year Olds. Can You Solve Them?

800 views / 0 likes - added 7 years ago

How hard are math tests? A survey asked 2,000 UK adults to answer sample GCSE test questions intended for 15 year old students. On average, the survey questions were missed by about 40% of adults. Can you solve them? The video presents 2 questions that ma
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Dimensions Of Cube From Volume

798 views / 0 likes - added 9 years ago

Dimensions of cube from volume
05:39 Popular
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

794 views / 0 likes - added 5 years ago

Thanks to Eric from Miami for suggesting this problem and sending a solution! The diagram shows a quadrilateral ABCD with the values for some angles and the length of AB. Can you figure out the area of ABCD? Subscribe: https://www.youtube.com/user/MindYou
07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

790 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
01:52 Popular
Werewolf Problems | Uncle Grandpa | Cartoon Network

788 views / 1 likes - added 8 years ago

Strange things start happening when Uncle Grandpa installs a moon roof in the RV. CN GAMES: http://bit.ly/CNGames SUBSCRIBE: http://bit.ly/109Y6wq WATCH MORE: http://bit.ly/CNUncleGrandpa About Uncle Grandpa: Uncle Grandpa is everyone's "magical" uncle an
08:51 Popular
The Viral Balloon Puzzle - The REAL Answer Explained (Using Ph.D. Level Math)

772 views / 0 likes - added 5 years ago

They say only geniuses can solve this puzzle, and this time they are correct. Thanks to all patrons! Special thanks to: Shrihari Puranik Yildiz Kabaran Kyle My blog post for this video https://wp.me/p6aMk-82U Sources https://puzzling.stackexchange.com/que
02:35 Popular
Volume of a Sphere

770 views / 0 likes - added 9 years ago

u07_l3_t1_we2 Volume of a Sphere More free lessons at: http://www.khanacademy.org/video?v=IelS2vg7JO8 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
06:18 Popular
Can You Solve The Diluted Wine Puzzle?

766 views / 1 likes - added 7 years ago

A servant has a method to steal wine. He removes 3 cups from a barrel of wine and replaces it with 3 cups of water. The next day he wants more wine, so he does the same thing: he removes 3 cups from the same barrel (now with diluted wine) and replaces it
01:03 Popular
Subtraction Word Problems Within 10 | Basic Addition And Subtraction | Early Math | Khan Academy

763 views / 0 likes - added 8 years ago

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
03:28 Popular
Buffalo Buffalo Buffalo: One-word Sentences And How They Work - Emma Bryce

761 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/buffalo-buffalo-buffalo-one-word-sentences-and-how-they-work-emma-bryce ‘Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo’ is a grammatically correct sentence. How? Emma Bryce explains how this an
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00:31 Popular
Sesame Street: Word on the Street - Sculpture

760 views / 1 likes - added 9 years ago

Murray introduces the word "sculpture". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at htt
00:31 Popular
Sesame Street: Word on the Street - Choreographer

759 views / 0 likes - added 9 years ago

Murray introduces the word "choreographer". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at
01:42 Popular
Clarence | Jeff's Word of the Day: Brevity | Cartoon Network | CN Mini

755 views / 0 likes - added 6 years ago

Take a lesson from Jeff and learn a new word to use in your everyday life! Today's word: Brevity. CN GAMES: http://cartn.co/ytgames SUBSCRIBE: http://cartn.co/subscribe About Cartoon Network: Welcome to Cartoon Network's YouTube Channel, your destination
04:08 Popular
Measuring A Golden Statue | Measurement And Data | Early Math | Khan Academy

754 views / 0 likes - added 8 years ago

Measure an object with same-size length units that span it with no gaps or overlaps. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-measure-data-topic/cc-early-picture-graphs/e/solving
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Losing Tennis Balls | Addition And Subtraction Within 100 | 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-add-sub-100/cc-early-math-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-1?utm_source=YT&utm_medium
03:33 Popular
Can You Solve This Intelligence Test? Viral Facebook Puzzle

743 views / 0 likes - added 7 years ago

If 6 + 4 = 210, and 9 + 2 = 711, what is the rule to combine numbers? This "intelligence test" has been shared more than 3 million times on Facebook. On Twitter people claim solving it means you have an IQ of more than 150 (genius level). In this video I
03:38 Popular
Sea Monsters And Superheroes | Addition And Subtraction Within 20 | Early Math | Khan Academy

741 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-20/cc-early-math-word-problems-within-20/e/addition-and-subtraction-word-problems-within-20--level-1?utm_source=YT&utm_medium=Des
05:42 Popular
Sesame Street: Athlete (Word on the Street Podcast)

737 views / 0 likes - added 9 years ago

Want to be an athlete? An athlete is someone who trains to play a sport. You have to practice a lot, be determined, and love playing the sport you play! Who's your favorite athlete? Subscribe to the Sesame Street Channel here: http://www.youtube.com/subsc
04:28 Popular
The True Story Of 'true' - Gina Cooke

733 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-true-story-of-true-gina-cooke The older the word, the longer (and more fascinating) the story. With roots in Old English, 'true' shares etymological ancestors with words like betroth and truce...but also wit
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The Surprising Science Behind the Word ‘Pokemon

732 views / 0 likes - added 7 years ago

By now, words like “Pokémon,” “karaoke” and “anime” are established terms in modern English. But … are these words English or Japanese? As it turns out, neither! They fall into their own category entirely.
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04:21 Popular
Basic Trigonometry - Word Problem

728 views / 0 likes - added 8 years ago

Learn basic trigonometry with this easy to follow example. I also provided the links for other basic trigonometry videos as well. Basic trigonometry quiz: https://www.youtube.com/watch?v=IGV1XufPd6E Basic Trigonometry Practice Question #1: https://www.you
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Estimating Lengths | Measurement And Data | Early Math | Khan Academy

726 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-compare-estimate-length/e/estimating-lengths?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch
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Can You Solve The Race To December 31 Riddle?

717 views / 0 likes - added 7 years ago

Here's a fun game you can play with another person. The game starts on January 1. Each of two players takes turns calling out another date. The new date has to be a later date in the year with either the same month OR the same day (from January 1, a playe
05:33 Popular
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

716 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
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Sesame Street: Word on the Street - Reporter

715 views / 0 likes - added 9 years ago

Murray introduces the word "Reporter." Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http
03:22 Popular
Adding Mixed Numbers Word Problem

714 views / 0 likes - added 9 years ago

U02_L3_T1_we5 Adding Mixed Numbers Word Problem More free lessons at: http://www.khanacademy.org/video?v=o0arqcKC7QE Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
04:52 Popular
Can You Solve The Two Rope Puzzle?

714 views / 0 likes - added 7 years ago

You have two ropes and a lighter. Each rope burns in 60 minutes, but the ropes do not burn at a constant rate. How can you measure 45 minutes by burning the ropes? Some of you might have heard this problem before. If so, try this variation: how can you me
03:21 Popular
Can You Solve A Puzzle That Fooled Richard Feynman?

711 views / 0 likes - added 5 years ago

What is the radius of the circle, in simplest terms involving a, b, and c? I read that even the great mind Richard Feynman made a mistake. Watch the video to learn the common mistake and what the correct answer is. Source Feynman story http://web.media.mi
02:45 Popular
The Day After Tomorrow Is Yesterday Riddle. Can You Solve It?

708 views / 0 likes - added 7 years ago

This puzzle is popular on Facebook and many other sites. "When the day after tomorrow is yesterday, then today will be as far from Wednesday as today was from Wednesday when the day before yesterday was tomorrow. What day is today?" Can you solve this tri
07:48 Popular
ck12.org Normal Distribution Problems: z-score

707 views / 0 likes - added 9 years ago

Z-score practice More free lessons at: http://www.khanacademy.org/video?v=Wp2nVIzBsE8
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Surface area word problem example

707 views / 0 likes - added 7 years ago

Surface area word problem example
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Can You Solve The "MEANEST" SAT Test Question Ever?

705 views / 0 likes - added 5 years ago

On the SAT exam, you have about 2 minutes to read and solve each math question. This one about averages can send you in a loop, unless you approach it systematically. In the video I also explain a shortcut to help you solve this type of problem quickly. S
02:06
How Many Cars Can Fit In The Parking Lot

700 views / 0 likes - added 9 years ago

Word problems.
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Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

700 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
14:33
Solving Problems with Simple Machines! | SciShow Kids Compilation

698 views / 1 likes - added 2 years ago

Jessi and Squeaks are revisiting the fun times they had when they learned all about simple machines so they can solve all sorts of problems around the Fort!Hosted by: Jessi Knudsen Castaeda----------Love SciShow Kids and want to help support it? Become a
07:22
Word Problem Solving- Exponential Growth and Decay

697 views / 0 likes - added 9 years ago

Word Problem Solving- Exponential Growth and Decay More free lessons at: http://www.khanacademy.org/video?v=m5Tf6vgoJtQ
05:57
How To Split A Cake Fairly Using Math

697 views / 0 likes - added 7 years ago

How can 2 people split up a cake, knowing that each person wants to get a larger piece than the other? What about 3 people, or even N people? This is an example of a fair division problem from game theory. There are many cake-cutting algorithms to produce
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01:41
Measuring Volume with a Ruler

697 views / 0 likes - added 5 years ago

Deane demonstrates a method for measuring the volume of an irregular container. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twitt
12:13
Oodly satisfying videos that fixed all my problems

697 views / 4 likes - added 2 years ago

Oodly satisfying videos that fixed all my problems SUBSCRIBE and become part of the AzzyLand family :D OFFICIAL AZZYLAND MERCH https://www.azzyland.com/shop SOCIAL MEDIAInstagram: https://www.instagram.com/azzyland/Tik Tok: https://www.tiktok.com/@azzylan
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Exercising Gorillas | Addition And Subtraction Within 20 | Early Math | Khan Academy

692 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-20/cc-early-math-word-problems-within-20/e/addition-and-subtraction-word-problems-within-20--level-2?utm_source=YT&utm_medium=Des
06:36
Arc Measure Example Problems

690 views / 0 likes - added 8 years ago

Arc measure example problems
09:10
The LOONEY TUNES SHOW: DVD Previews Compilation [Cartoons for Children HD 1080p]

690 views / 0 likes - added 7 years ago

This compilation features some of the best of the Looney Tunes Show DVD clips available from WBShop.com and YouTube Shows. The episodes' details are listed below, and please subscribe for more entertaining movies and cartoons! 0:09 The Looney Tunes Show:
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Fence Posts For Horses | Addition And Subtraction Within 100 | Early Math | Khan Academy

688 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-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-1?utm_source=YT&utm_medium
04:42
How Warren Buffett Tried To Trick Bill Gates In A Dice Game

688 views / 0 likes - added 7 years ago

Warren Buffett once challenged Bill Gates to a dice game similar to this one. How would you play the game? Blog post (text explanation) http://wp.me/p6aMk-4ro Source The dice numbers and the story are described at Microsoft Research's website for non-tran
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Moving Faster Than The Speed Of Light? Special Relativity Velocity Addition Formula

687 views / 0 likes - added 7 years ago

If train A is moving towards train B, and each train moves at 75% the speed of light (relative to the ground), will an observer on train A think that train B is moving at 150% the speed of light? But nothing moves faster than the speed of light, so what i
03:37
Starfish Rulers | Addition And Subtraction Within 100 | Early Math | Khan Academy

686 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
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Multiplying Fractions Word Problems (ex 1)

684 views / 0 likes - added 9 years ago

Multiplying Fractions Word Problems (ex 1)
26:19
Minecraft PS4 - 20 Block Challenge - Portal Problems (21)

682 views / 1 likes - added 7 years ago

Welcome to the 20 block challenge. In this challenge I am trying unlock the platinum trophy on the Playstation 4 version while only ever placing down 20 blocks. Playlist - https://www.youtube.com/playlist?list=PLEZiAg2bYC7k_wayTLT-9bbwTp0wB5kQ1 Twitter -
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ck12.org Normal Distribution Problems: Qualitative sense of normal distributions

681 views / 0 likes - added 9 years ago

Discussion of how "normal" a distribution might be More free lessons at: http://www.khanacademy.org/video?v=79duxPXpyKQ
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A Brief History Of Plural Word...s - John McWhorter

681 views / 0 likes - added 8 years ago

View full lesson here: http://ed.ted.com/lessons/a-brief-history-of-plural-word-s-john-mcwhorter All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter look
08:27
Can You Solve The 3 Cards Riddle?

681 views / 0 likes - added 7 years ago

There are 3 cards in this problem. One card is blue on both sides, another is red on both sides, and the last is red on one side and blue on the other. The cards are put in a bag and I pick one at random. Without looking at the colors on the card, I place
03:09
Can You Solve The Marriage Logic Problem? 80% Fail

680 views / 0 likes - added 7 years ago

Surveys have found 80 percent get this logic problem wrong. Alice is looking at Bob, and Bob is looking at Charlie. Alice is married; Charlie is not. Is a married person looking at an unmarried person? Answer choices are A) Yes, B) No, and C) Cannot be de
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Sesame Street: Word on the Street -- Vibrate

677 views / 0 likes - added 9 years ago

Murray introduces the word "vibrate". Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscription_center?add_user=SesameStreet For more fun games and videos for your preschooler in a safe, child-friendly environment, visit us at http:
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Proof: Volume Ratios in a Carnot Cycle

675 views / 0 likes - added 9 years ago

Proof of the volume ratios in a Carnot Cycle More free lessons at: http://www.khanacademy.org/video?v=ixRtSV3CXPA
02:15
Sesame Street: Jonah Hill Learns the Word, Empty

675 views / 0 likes - added 9 years ago

There are no pretzels left in the pretzel bowl. There is no water left in the glass, and there are no wild animals in the cage. The bowl, the glass, and the cage are all empty. Fortunately, Jonah Hill and Murray have a box full of crayons to keep the wild
07:13
Volume of a Composite Shape

674 views / 0 likes - added 9 years ago

u07_l3_t1_we3 Volume of a Composite Shape
05:26
Can You Solve The Red Ball Lottery Puzzle?

673 views / 0 likes - added 7 years ago

(Same video without the music: https://youtu.be/sz5oLEpc8xE) This problem involves 100 red balls, 100 blue balls, and 2 urns. First you distribute all the balls between the 2 urns, placing at least 1 ball in each urn. Next, you select an urn at random, an
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21 SMART LIFE HACKS FOR ANNOYING PROBLEMS

671 views / 0 likes - added 4 years ago

FANTASTIC AND SMART HACKSWe all have those little things in life that simply tick us off, right? Even though these are small things, they can always somehow ruin your day! This is why weve prepared this video especially for you today, to show you creative
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This SAT Math Question Has A Mistake

669 views / 0 likes - added 7 years ago

This question appeared on the October 1980 SAT exam. Like all questions, it was supposed to have exactly one correct answer. However the test-makers made a mistake. Can you figure out what they did wrong? Blog post (text explanation): http://wp.me/p6aMk-4
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Cell Size

665 views / 0 likes - added 8 years ago

Thinking about the limiting factors of cell size. Focus on volume to surface area ratio.
01:44
Three Word Puzzles

664 views / 0 likes - added 5 years ago

Three puzzles will test your word power with the English language. SUBSCRIBE NOW http://www.youtube.com/subscription_center?add_user=CuriosityShow CONNECT WITH CURIOSITY Facebook ➤ http://www.facebook.com/CuriosityShow Twitter ➤ https://twitter.com/Curios
04:19
Snow On Friday | Addition And Subtraction Within 100 | Early Math | Khan Academy

660 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-add-sub-100-word-problems/e/addition-and-subtraction-word-problems-within-100--level-2?utm_source=YT&utm_medium
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Is Space Travel Worth It? Spoken Word With Mark Grist

655 views / 0 likes - added 8 years ago

Is space travel a waste of money? Can we justify reaching for the stars when there’s so much that needs our attention here on earth? Poet Mark Grist battles it out. Visit Mark's channel for more poetry: https://www.youtube.com/user/Montygristo And visit h
12:57
Musical Saws, Chladni plates and a Homemade bow // HomeMade Science with Bruce Yeany

649 views / 0 likes - added 6 years ago

REPOSTED WITH VOLUME ADJUSTED Make "music" with a carpenter saw, produce frequency patterns on easy to make Chladni plates, AND make your own violin type bow to use with both activities. Science is better when you make it yourself!
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The Mole 4 - Converting Mass to Atoms: Practice Problems

647 views / 0 likes - added 5 years ago

Craig Beals from Beals Science explains how to convert between mass in grams to atoms using the mole. The video includes molar mass, Avogadro's number, converting and mole practice problems. To learn more visit: http://www.BealsScience.com For the previou
15:22
Optimization - Maximum Volume Of Box

642 views / 0 likes - added 8 years ago

Optimization is explained completely in this calculus video. I also provided the links for my other optimization videos as well. Optimization - "minimum fence required" example https://www.youtube.com/watch?v=kV3K4Ppz6fw Optimization - "Minimum sum of two
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The Problems with Secret Santa - Numberphile

642 views / 0 likes - added 7 years ago

Dr Hannah Fry discusses Secret Santa, anonymity and derangements. And a better way to do it. More Hannah on Numberphile: http://bit.ly/hannah_vids Hannah's co-written Xmas book: http://amzn.to/2g8mIn6 Hannah's love/math book: http://bit.ly/frylovebook Num
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Multiplying Fractions Word Problem

634 views / 0 likes - added 9 years ago

U02_L2_T1_we4 Multiplying Fractions Word Problem More free lessons at: http://www.khanacademy.org/video?v=YJgIGwTysk0 Content provided by TheNROCproject.org - (c) Monterey Institute for Technology and Education
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Sesame Street: Sunny Days Word Mashup | #Sesame50

630 views / 0 likes - added 5 years ago

Do you know every word to Sesame Street's Sunny Days theme song? Get ready to sing Sunny Days in a new special way with this word mashup! Follow along with the lyrics below: Sunny Day Sweepin' the clouds away On my way to where the air is sweet Can you te
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Sesame Street: Abby And Emmy Rossum Stay Focused!

629 views / 0 likes - added 9 years ago

Emmy Rossum is here to tell you the word of the day. The word is... hey, check out the dancing pigs and the lobster with surprisingly good breath…and look at the chicken under Emmy's arm… Oh, sorry, I got a little distracted. Today's word is focus. Subscr
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8 easy ways to fix common iPhone problems

629 views / 0 likes - added 6 years ago

Have a problem with your iPhone? Don't run to the Genius Bar just yet. There are tons of easy iPhone fixes you can handle yourself using common household items. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider T
03:00
Multiply Numbers By Drawing Lines

624 views / 0 likes - added 6 years ago

Gow to multiply numbers by drawing lines. Get the Multiply By Lines Book! https://www.amazon.com/gp/product/1500866148/ If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each s
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06:24
Can You Solve The Missing Sock Puzzle?

619 views / 0 likes - added 7 years ago

A statistician keeps a simple wardrobe. He only purchases pairs of black socks and white socks, and he keeps all of the socks in a pile in the drawer. Recently one of the socks was lost in the laundry. The socks have a mathematical property. If you select
07:10
TOUGH Interview Question - Ways To Give 11 Coins To 3 People

614 views / 0 likes - added 7 years ago

How many ways can you divide 11 coins to 3 people? How many ways are there if each person has to get at least 1 coin? This puzzle is an example of a technical interview question. The video demonstrates the solution, which indicates the number of non-negat

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