Search Results: "Can You Solve This Harvard Admissions Question? Algebra Problem, 1869"

All Most Recent Most Viewed

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

1,456 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
03:51 Popular
Can You Solve This MIT Admissions Question? Geometry Problem, 1869

939 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
04:09 Popular
Easy algebra word problem - But can you solve it?

1,435 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
18:05
This is what an 1869 MIT entrance exam looks like

584 views / 0 likes - added 5 years ago

Explore the foundation of algebra at https://brilliant.org/tibees/ View this exam:https://libraries.mit.edu/archives/exhibits/exam/algebra.html MIT exam archives: https://libraries.mit.edu/archives/exhibits/exam/ In this video I look at the algebra sectio
05:52
Can You Solve The "MEANEST" SAT Test Question Ever?

690 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
07:25 Popular
Algebra Word Problem - Factoring

1,694 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.
05:38 Popular
Algebra word problem - System of Equations

1,877 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
07:37
Why This Problem is IMPOSSIBLE for Computers to Solve (The Halting Problem)

477 views / 0 likes - added 5 years ago

Start learning today with SkillShare: https://skl.sh/upandatom2 The quantum computer game I talked about: https://phys.cam/game/ Alan Turing proved that the Halting Problem was impossible for Turing machines (computers) to solve. Come find out how. Hi! I'
07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy

874 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
02:49 Popular
Percent Word Problem Example 2 | Decimals | Pre-Algebra | Khan Academy

1,174 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
07:39 Popular
Can You Solve The Alien Extinction Riddle? Hard Job Interview Question

862 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
03:40 Popular
Multi-step Word Problem With Decimals And Subtraction | Pre-Algebra | Khan Academy

1,585 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
03:21 Popular
Rational Number Word Problem With Fractions | Pre-Algebra | Khan Academy

1,709 views / 0 likes - added 8 years ago

Word problems force us to put concepts to work using real-world applications. In this example, determine the volume of frozen water and express the answer as a fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.o
03:35
Can You Solve the Haunted Hopscotch Problem? | NUMBER CRUSHERS

594 views / 0 likes - added 5 years ago

Can You Solve the Haunted Hopscotch Problem? Grab your chalk and rocks because Number Wunderkid Izzy has challenged you to solve this spooky problem. Will Jon wake up before the Zombie strikes? Will Gary sink into quicksand before his friend can save him?
07:47 Popular
Can You Solve The Probability The Newborn Is A Boy? Many Fail This Interview Question

821 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
03:17
Can YOU Solve It? This Question Stumped 75% Of PhD Economists

602 views / 0 likes - added 7 years ago

Introductory economics courses cover the concept of an opportunity cost. Can you figure out the opportunity cost for the problem in the video? This video presents a question that surprisingly more than 75% of PhD economists did not answer correctly. Paper
03:28 Popular
Flower Math Problem - Adults Stumped By Question For Kids In China

1,381 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
02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,037 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
02:51 Popular
The Horse Horseshoe Boots Viral Algebra Problem - The Correct Answer Explained

1,715 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:
08:05
Sal Khan Has Conversation With MIT Dean Of Admissions

604 views / 0 likes - added 8 years ago

Sal Khan has conversation with MIT Dean of Admissions Stu Schmill.
22:09
The Simplest Math Problem No One Can Solve

310 views / 0 likes - added 2 years ago

The Collatz Conjecture is the simplest math problem no one can solve it is easy enough for almost anyone to understand but notoriously difficult to solve. This video is sponsored by Brilliant. The first 200 people to sign up via https://brilliant.org/veri
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,165 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
12:00
A Problem You'll Never Solve

488 views / 0 likes - added 4 years ago

Watch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMCuriosity Box: https://www.curiositybox.comMrBeasts $1,000,000 Dilemma: https://youtu.be/NkYCWqzBc7MNewcombs Paradox has confounded philosophers, mathema
05:57 Popular
Can You Solve This 6th Grade Geometry Problem From Singapore? The Area Of A "Claw"

1,118 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
03:09
Can You Solve The Marriage Logic Problem? 80% Fail

669 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
05:09
Did AI Just Solve a 50 Year Old Biology Problem?

39 views / 0 likes - added 3 months ago

You may remember Google's DeepMind from their AI system, AlphaGo, which beat the world champion Go player in 2016. DeepMind has recently achieved breakthrough success in accurately predicting protein structures, using its system, AlphaFold. TRY IT YOURSEL
06:17
Can you outsmart the college admissions fallacy? - Elizabeth Cox

184 views / 0 likes - added 1 year ago

Explore the circular reasoning fallacy, which occurs when the end of an argument comes back to the start without having proven itself.--Its 1990. A prospective student has filed a complaint about Virginia Military institutes admissions policy that exclude
09:50 Popular
Can You Solve This 6th Grade Geometry Problem From China?

1,256 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
Featured
12:07 Popular
Algebra Basics: What Is Algebra? - Math Antics

2,327 views / 1 likes - added 8 years ago

The first video in the Algebra Basics Series: https://www.youtube.com/watch?v=NybHckSEQBI&list=PLUPEBWbAHUszT_GebJK23JHdd_Bss1N-G Next video: https://youtu.be/l3XzepN03KQ This video gives an overview of Algebra and introduces the concepts of unknown value
Featured
08:05 Popular
Can You Solve The Hardest Easy Geometry Problem?

1,259 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
04:22 Popular
Impossible Algebra Problem

1,233 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
07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

636 views / 0 likes - added 8 years ago

The general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
20:24
The Impossible Problem NO ONE Can Solve

80 views / 0 likes - added 8 months ago

Get Nebula using my link for 40% off an annual subscription! https://go.nebula.tv/upandatomRecommended shows:Is Math Invented or Discovered? https://nebula.tv/ismathinvented Becoming Human https://nebula.tv/becominghuman?ref=upandatomWhat is Code? https:/
11:30
How Mirrors Could Solve our Energy Problem

221 views / 0 likes - added 2 years ago

We visited a giant field of solar mirrors to learn about Concentrated #Solar Power technology! Thank you to Toyota for lending us the Mirai and for sponsoring this renewable energy roadtrip!Previous videos in this series: 1800 miles in a hydrogen car [htt
12:14 Popular
Algebra Basics: Exponents In Algebra - Math Antics

1,340 views / 0 likes - added 8 years ago

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
Featured
06:55 Popular
What Are Variables, Expressions, And Equations? | Introduction To Algebra | Algebra I | Khan Academy

1,701 views / 0 likes - added 8 years ago

Learn what variables, expressions, and equations really are. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/introduction-to-algebra/feel-for-equations-and-inequalit/e/dependent-and-independent-variable
03:37
Are University Admissions Biased? | Simpson's Paradox Part 2

592 views / 0 likes - added 6 years ago

Simpson's Paradox Part 2. Thanks to Skillshare for supporting this video! Head to http://skl.sh/minutephysics for your first two months free. Comments disabled because the discourse failed to remain civil. This video is about how to tell whether or not un
04:13 Popular
Can You Solve This Grade 12 Geometry Problem From Australia? The Marshmallow Chocolate Puzzle

896 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
04:36
Harvard negotiator explains how to argue | Dan Shapiro

291 views / 0 likes - added 1 year ago

Dan Shapiro, the head of Harvard’s International Negotiation program, shares 3 keys to a better argument. Subscribe to Big Think on YouTube https://www.youtube.com/channel/UCvQECJukTDE2i6aCoMnS-Vg?sub_confirmation=1 Get smarter, faster with our play
03:16 Popular
Can You Solve This 8th Grade Geometry Problem? 75% Got The Wrong Answer

990 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.
46:33
How can we solve our plastic pollution problem?

275 views / 1 likes - added 2 years ago

Join us for a live conversation on plastic pollution, the solutions, and whats at stake if we dont act now.
00:57
Solve the problem with only 1 line

127 views / 0 likes - added 1 year ago
01:57
Watch Mark Zuckerberg discover he was accepted to Harvard

487 views / 0 likes - added 6 years ago

Mark Zuckerberg never actually graduated Harvard — he dropped out as a sophomore to run Facebook. But he's finally getting his honorary degree at the 2017 commencement ceremony. The tech mogul is scheduled to speak to graduates on Thursday May, 25, and to
05:39 Popular
Can You Solve A 5th Grade Problem From China? Find The Area Of ABCD

786 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
11:54
Does Space Mining Solve Our Resource Problem?

190 views / 0 likes - added 2 years ago

Is Space Mining Our Future Gold Mine? Get Surfshark VPN at https://surfshark.deals/undecided and enter promo code UNDECIDED for 83% off and 3 extra months for free! Rare-earth metals and other minerals are essential for green tech like EVs and renewable e
07:29
The Problem 51% Of People Can't Solve

261 views / 0 likes - added 2 years ago

How does your brain work? These simple puzzles will reveal a lot!The first 1,000 people to use this link will get a 1 month free trial of Skillshare: https://skl.sh/asapscience06211Subtraction Podcast Episode: https://youtu.be/ubDxwamG_74Huge thanks to Le
14:20
Matrices to solve a vector combination problem

583 views / 0 likes - added 9 years ago

Using matrices to figure out if some combination of 2 vectors can create a 3rd vector More free lessons at: http://www.khanacademy.org/video?v=gsNgdVdAT1o
04:08 Popular
Can Plastic-Eating Worms Solve Our Trash Problem?

1,130 views / 1 likes - added 8 years ago

Plastics are everywhere, and we can’t seem to get rid of them. Could a worm be the solution we need? Does Recycling Actually Help? ►►►► http://dne.ws/16zXnMX DNews Live Tickets Here ►►►► http://dne.ws/1Fa2OCh Read More: Why Doesn't Plastic Biodegrade? htt
Featured
04:43
The Origin Of Mammal Movement: Harvard Adventures, Part I

638 views / 0 likes - added 8 years ago

Paleontologists today look at more than just fossil evidence to learn about organisms that lived millions of years ago. In this case, we're seeking to answer the question: how, and when, did mammals evolve their specialized movements? Turns out, the next
01:34
Gene-edited pigs could solve America's transplant problem

506 views / 0 likes - added 6 years ago

The latest advance in Crispr technology is a new kind of virus-free gene-edited pig. Scientists are hot on the hunt to figure out a way to transplant pig organs into humans. But a growing concern is retroviruses in pig cells that could infect humans. Read
01:32 Popular
How to Solve for the Height of Cylinders

779 views / 0 likes - added 5 years ago

How to Solve for the Height of Cylinders. Part of the series: Algebra Tips. Solving for the height of cylinders can be accomplished in just a few moments with the right equation. Learn how to solve for the height of cylinders with help from an experienced
01:31
Harvard University is creating robotic insects to monitor the environment

482 views / 0 likes - added 6 years ago

RoboBees are being made at Harvard's Wyss Institute. They can be used for environmental monitoring, search and rescue, and crop pollination. Read more: http://www.businessinsider.com/sai FACEBOOK: https://www.facebook.com/techinsider TWITTER: https://twit
11:06
Word Problem Solving 3

590 views / 0 likes - added 9 years ago

Word problem solving strategies from chapter 3 of ck12.org Algebra I book
10:29 Popular
Algebra Basics: Solving 2-Step Equations - Math Antics

2,161 views / 1 likes - added 8 years ago

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:
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

882 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
08:17 Popular
ONLY A GENIUS CAN SOLVE THIS IN 20s (If You Solve 13/15 You Are Smarter Than Einstein!)

1,909 views / 0 likes - added 5 years ago

Only a genius can solve this mind test in 20s! Only the cool stuff, try to find the letter N and many more to test your intelligence. If you solve 10 out of 15 you are smarter than 80% of people, if you find 13 or more you might be smarter than Einstein!
Featured
02:35 Popular
Dividing Whole Numbers And Fractions: Studying | Fractions | Pre-Algebra | Khan Academy

2,067 views / 0 likes - added 8 years ago

Solve a word problem by dividing a fraction by a whole number. The example used in this video is 1/5 ÷ 4. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
09:35 Popular
Algebra Basics: Solving Basic Equations Part 2 - Math Antics

2,770 views / 0 likes - added 8 years ago

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
06:01
Wynton at Harvard, Chapter 9: The Evolution of the Trap Drum Set

148 views / 0 likes - added 1 year ago

Delve into Wynton Marsalis's six-part Harvard University lecture series, covering a range of topics including jazz, what it means to be American, and the importance of cultural literacy and the arts in the liberal arts education. IX. The Evolution of the
11:08 Popular
Algebra Basics: Solving Basic Equations Part 1 - Math Antics

2,546 views / 3 likes - added 8 years ago

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
Featured
10:10 Popular
IIT JEE Hairy Trig and Algebra (part 1)

712 views / 0 likes - added 9 years ago

2010 Paper 1 problem 38 Hairy Trig and Algebra.avi More free lessons at: http://www.khanacademy.org/video?v=dOxXl_6BDQc
07:18
How a Harvard Professor Makes Transforming Toys & Designs | WIRED

494 views / 0 likes - added 5 years ago

Chuck Hoberman's eponymous sphere is one of the best-loved toys of the last quarter century. But it's only one example of his incredible work in transformable design. From adaptive nanotech to flexible building materials, Hoberman has created surprising a
02:32 Popular
Dividing Whole Numbers And Fractions: Potpourri | Fractions | Pre-Algebra | Khan Academy

1,744 views / 0 likes - added 8 years ago

Solve a word problem by dividing a whole number by a fraction. The example used in this video is 4 ÷ 1/5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/dividing-fractions-pre-alg
18:25 Popular
The SAT Question Everyone Got Wrong

1,634 views / 3 likes - added 5 months ago

How an SAT question became a mathematical paradox. Head to https://brilliant.org/veritasium to start your free 30-day trial, and the first 200 people get 20% off an annual premium subscription.I invented Snatoms, a molecule modeling kit where the atoms sn
Featured
06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy

1,112 views / 0 likes - added 8 years ago

Now that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra
12:14
Using the Convolution Theorem to Solve an Initial Value Prob

592 views / 0 likes - added 9 years ago

Using the Convolution Theorem to solve an initial value problem More free lessons at: http://www.khanacademy.org/video?v=rfyq32mHcYs
25:47
Harvard Professor Explains Algorithms in 5 Levels of Difficulty | WIRED

94 views / 0 likes - added 6 months ago

From the physical world to the virtual world, algorithms are seemingly everywhere. David J. Malan, Professor of Computer Science at Harvard University, has been challenged to explain the science of algorithms to 5 different people; a child, a teen, a coll
01:31
Houston's 'We Have a Problem' Problem

540 views / 0 likes - added 6 years ago

The often misquoted line from Apollo 13 astronauts--"Houston, we've had a problem"--comes up a lot in everyday life, and that annoys a lot of Houstonians. Photo: NASA Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street
02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

1,518 views / 0 likes - added 8 years ago

We hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next
05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy

877 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
08:31
The Penny Problem That Breaks Your Brain

493 views / 0 likes - added 2 years ago

Get the Vsauce Curiosity Box: https://www.curiositybox.com/Your mind is a massive collection of information, patterns, trivia, algorithms, and more -- and you have absolutely no idea how or when any of it is going to be useful. If youve got 50 stacks of 5
03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy

1,170 views / 0 likes - added 8 years ago

Multiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w
03:35
Answering Question From Visual Inequality System

603 views / 0 likes - added 8 years ago

Answering question from visual inequality system
05:26
Factors And Divisibility In Algebra

494 views / 0 likes - added 8 years ago

Factors and divisibility in algebra
10:52
Laplace Transform to solve an equation

590 views / 0 likes - added 9 years ago

Using the Laplace Transform to solve an equation we already knew how to solve. More free lessons at: http://www.khanacademy.org/video?v=3uYb-RhM7lU
22:57 Popular
Pulley Physics Problem - Finding Acceleration and Tension Force

722 views / 0 likes - added 3 years ago

This physics video tutorial explains how to calculate the acceleration of a pulley system with two masses with and without kinetic friction. It also discusses how determine the tension in the rope as well. The formulas and equations are all provided in th
04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy

961 views / 0 likes - added 8 years ago

Sometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca
05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy

1,207 views / 0 likes - added 8 years ago

Using a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
03:04 Popular
Steps to Solve Quadradic Equations

1,154 views / 0 likes - added 5 years ago

Steps to Solve Quadradic Equations. Part of the series: Equations. Quadtratic equations can be easily solved by following a straightforward, step-by-step process. Learn the steps to solve quadratic equations with help from a mathematics tutor and educator
03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy

1,659 views / 1 likes - added 8 years ago

Don't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,161 views / 0 likes - added 8 years ago

More scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W
03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy

1,522 views / 0 likes - added 8 years ago

Taking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma
03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

784 views / 0 likes - added 8 years ago

Find perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa
19:53
Linear Algebra - Matrix Transformations

593 views / 0 likes - added 5 years ago

Matrix multiplication and linear algebra explained with 3D animations.
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,278 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
04:01 Popular
The simple riddle that 50% of Harvard students get wrong

977 views / 1 likes - added 7 years ago

Sources for scientific journals are provided below. New videos come out every Thursday so subscribe for more videos. Visit my Facebook page for more bite sized tips and psychology information https://www.facebook.com/BiteSizePsych Also, if you like the mu
Featured
03:45 Popular
Visualizing Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

1,088 views / 0 likes - added 8 years ago

To understand equivalent fractions it helps to "see" the fractions using something like a grid with shaded and unshaded sections representing the fraction. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-al
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

1,916 views / 0 likes - added 8 years ago

Introduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
03:05 Popular
Four Steps to Solve a Absolute Value Equation

1,050 views / 0 likes - added 5 years ago

Four Steps to Solve a Absolute Value Equation. Part of the series: Help With Equations. Solving a absolute value equation requires you to complete four distinct steps. Learn the four steps to solve an absolute value equation with help from an experienced
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

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

Metric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http
01:07 Popular
How To Match Function Input To Output Given The Graph (example) | Algebra I | Khan Academy

1,077 views / 0 likes - added 8 years ago

Sal finds the input value for which g(x)=-2 given the graph of g. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_so
03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

1,505 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

611 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
01:40 Popular
How To Match Function Input To Output Given The Formula (example) | Algebra I | Khan Academy

1,004 views / 0 likes - added 8 years ago

Sal finds the input value for which f(t)=13, given that f(t)=-2t+5. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/function-inputs-and-outputs/e/functions_matching_inputs_outputs?utm_
03:04 Popular
How To Create A Function From An Equation (example) | Functions | Algebra I | Khan Academy

905 views / 0 likes - added 8 years ago

Sal find the formula of a function that, given an input value "b," outputs a value "a" that satisfies the equation 4a+7b=-52. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/functions-
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

1,430 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p
06:02
Solve This If You Can!

697 views / 0 likes - added 6 years ago

Solve This If You Can! More Riddles Videos: 1. Solve These Brainy Riddles If You Have Guts! https://www.youtube.com/watch?v=h48aUARD9P4 2. IMPOSSIBLE EINSTEIN RIDDLES TO SOLVE - Only 2% Pass!! https://www.youtube.com/watch?v=yhUsXzvU3aQ 3. EPIC CRIME RIDD
05:37 Popular
Linear Models Example 2 | Algebra I | Khan Academy

1,139 views / 0 likes - added 8 years ago

Marbles and water in tank Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?utm_s
03:24 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

1,418 views / 0 likes - added 8 years ago

Sal interprets the expression M(30)-M(0)=100 where M models an account balance over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation/e/function-nota
08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy

1,164 views / 0 likes - added 8 years ago

What does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,030 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/
05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

1,873 views / 0 likes - added 8 years ago

Work through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,745 views / 0 likes - added 8 years ago

The simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
02:36 Popular
How To Interpret An Expression With Function Notation | Functions | Algebra I | Khan Academy

1,959 views / 0 likes - added 8 years ago

Sal interprets the expression P(5) minor P(9) where P models the number of people at the beach over time. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/algebra-functions/interpreting-function-notation
14:11
Algebra Basics: Inequalities In Algebra - Math Antics

351 views / 0 likes - added 1 year ago

Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!
07:51 Popular
Volume: How To Measure It | Measurement | Pre-Algebra | Khan Academy

778 views / 0 likes - added 8 years ago

Volume is a measurement in the 3rd dimension. This means that it not only has width and height, but it has depth as well. Let's watch this video in which we get a great explanation of how we measure volume. Practice this lesson yourself on KhanAcademy.org
03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy

1,249 views / 0 likes - added 8 years ago

Once again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal
04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy

1,536 views / 0 likes - added 8 years ago

Examining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,348 views / 0 likes - added 8 years ago

Adding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=
07:18
FizzBuzz: One Simple Interview Question

604 views / 0 likes - added 6 years ago

There are a lot of opinions on how to hire coders, and most of them are terrible. The opinions, that is, not the coders. But a basic filter test to make sure someone can do what they say they can: that seems reasonable, and FizzBuzz is one of the more com
02:21
Trick Question - Test your math skills

699 views / 0 likes - added 7 years ago

Find the maximum and minimum values of X in this trick question. Each value of X must satisfy the given inequality. Test your math skills and have fun with this trick question. My name is Chris and my passion is to teach math. Learning should never be a s
01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy

1,902 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
07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,092 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math
04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy

1,562 views / 0 likes - added 8 years ago

Cover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa
03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,762 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh
03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,512 views / 0 likes - added 8 years ago

Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca
03:04 Popular
Trick Question - Find the missing dollar

748 views / 1 likes - added 7 years ago

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
05:07 Popular
Jessi Has a Problem!

1,154 views / 1 likes - added 7 years ago

Do you like using your imagination to build things that solve problems? If you do, you're thinking like an engineer! Learn how engineers identify and solve problems, then help Jessi with a big problem of her own! ---------- Love SciShow Kids and want to h
06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy

1,518 views / 0 likes - added 8 years ago

Learn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin
05:02 Popular
Positive And Negative Slope | Algebra I | Khan Academy

1,507 views / 0 likes - added 8 years ago

Positive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign
04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy

1,135 views / 0 likes - added 8 years ago

We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now
08:52 Popular
Linear Models Example 1 | Algebra I | Khan Academy

1,880 views / 0 likes - added 8 years ago

Linear model for book reading Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-and-interpreting-linear-functions?u
03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,620 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
04:07 Popular
Adding And Subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,327 views / 0 likes - added 8 years ago

Learn how to add and subtract negative numbers. The problems solved in this video are 2 - 3 = -1 and -2 - 3 = -5 and -2 + 3 = 1 and 2 - (-3) = 5 and -2 - (-3). Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pr
05:04 Popular
Area of a Triangle - Fun challenging math problem

2,131 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
02:40 Popular
Interpreting Linear Formulas Example 1 | Algebra I | Khan Academy

2,202 views / 0 likes - added 8 years ago

Interpreting a linear formula Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-functions?ut
02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,031 views / 0 likes - added 8 years ago

Laying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin
06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy

1,172 views / 0 likes - added 8 years ago

Here's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/
08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy

2,004 views / 0 likes - added 8 years ago

Introduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio
02:35 Popular
Interpreting Linear Formulas Example 2 | Algebra I | Khan Academy

1,419 views / 0 likes - added 8 years ago

Linear equation for file transfer Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/interpreting_linear_functions/e/interpreting-features-of-linear-function
03:12 Popular
Graphing Linear Functions Example 2 | Algebra I | Khan Academy

1,908 views / 0 likes - added 8 years ago

Graphing equation for filling pool Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/graphing-linear-functions-word-problems?utm
20:21
When will we Live on another Planet? Ft. Simon Clark | The Big Question | Earth Lab

413 views / 0 likes - added 4 years ago

When will we Live on Another Planet? Presenter Simon Clark (@simonoxfphys) is at the National Space Centre in Leicester with Dr Tamela Maciel (@TamelaMaciel) to investigate.Best of Earth Lab: http://bit.ly/EarthLabOriginals The Planets: http://bit.ly/BBCT
06:35 Popular
Constructing Linear Functions Example 1 | Algebra I | Khan Academy

1,740 views / 0 likes - added 8 years ago

Linear model for ice sheet thickness Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/linear-functions-modeling/e/constructing-linear-functions-word-proble
09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,583 views / 0 likes - added 8 years ago

Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the
08:34 Popular
LCM And GCF Word Problems | Factors And Multiples | Pre-Algebra | Khan Academy

1,812 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
00:52 Popular
Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,371 views / 0 likes - added 8 years ago

Let's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/
24:47
Linear Algebra: Parametric Representations of Lines

562 views / 0 likes - added 9 years ago

Linear Algebra: Parametric Representations of Lines in R2 and R3 More free lessons at: http://www.khanacademy.org/video?v=hWhs2cIj7Cw
03:38 Popular
Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

712 views / 0 likes - added 8 years ago

Part of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu
05:41 Popular
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

706 views / 0 likes - added 8 years ago

We continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm
05:30 Popular
Graphing Linear Functions Example 1 | Algebra I | Khan Academy

1,831 views / 0 likes - added 8 years ago

Learn how graph a linear function. This video gives an example of graphing fuel consumption as a function of distance. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-
02:23
This SAT Math Question Has A Mistake

654 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
07:27 Popular
MARIO QUESTION BLOCK SURPRISE CAKE - NERDY NUMMIES

1,095 views / 7 likes - added 7 years ago

Today I made a Mario Question Block Surprise Cake! Let me know down below what other videos you would like to see! *Order The Nerdy Nummies Cookbook here: http://www.NerdyNummiesCookbook.com QUESTION MARK TEMPLATE: http://tinyurl.com/marioquestionmark FOL
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

1,377 views / 0 likes - added 8 years ago

Learn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?
05:09 Popular
Converting From Slope-intercept To Standard Form | Algebra I | Khan Academy

1,312 views / 0 likes - added 8 years ago

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
04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy

1,636 views / 1 likes - added 8 years ago

To find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,802 views / 0 likes - added 8 years ago

Multiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
02:27 Popular
Checking Ordered Pair Solutions To Equations Example 2 | Algebra I | Khan Academy

1,047 views / 0 likes - added 8 years ago

Second example of ordered pair solutions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?utm_so
02:35 Popular
Checking Ordered Pair Solutions To Equations Example 1 | Algebra I | Khan Academy

1,260 views / 0 likes - added 8 years ago

Checking ordered pair solutions to equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/plugging_in_values?ut
07:11 Popular
Graphing Solutions To Two-variable Linear Equations Example 2 | Algebra I | Khan Academy

2,005 views / 0 likes - added 8 years ago

Graphing solutions to 2 variable linear equations Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/e/graphing-solutio
26:01
Riddle Rush Hour: Solve Them Quick, Solve Them Smart!

26 views / 0 likes - added 3 months ago

Subscribe to 7-Second Riddles: https://goo.gl/BZSTVhMusic: Epidemic Sound https://www.epidemicsound.com/Music: Youtube Library https://www.youtube.com/audiolibrary/...Stock materials (photos, footages and other):https://www.depositphotos.comhttps://www.sh
02:20 Popular
How to Solve Sine & Cosine Equations

1,697 views / 0 likes - added 5 years ago

How to Solve Sine & Cosine Equations. Part of the series: Equations. Sine and cosine equations need to be solved in a very specific way. Learn how to solve sine and cosine equations with help from an experienced math tutor in this free video clip. Read mo
08:45
The Legend of Question Six - Numberphile

383 views / 0 likes - added 5 years ago

Free trial at Great Courses Plus: http://ow.ly/7Hh2302dIFt More links & stuff in full description below ↓↓↓ Simon Pampena discusses the famous Question 6 from the 1988 International Mathematical Olympiad. More links below... Second part of this video: htt
09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

2,086 views / 1 likes - added 8 years ago

How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA
04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

1,270 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

1,365 views / 0 likes - added 8 years ago

Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

874 views / 0 likes - added 8 years ago

See examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

2,090 views / 0 likes - added 8 years ago

Introduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm
01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

1,086 views / 0 likes - added 8 years ago

Subtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting
47:36
Completing the square - Live algebra lesson

637 views / 0 likes - added 6 years ago

Do you need help with your algebra homework? Send photos of any problems you need help with to LiveStream@MathMeeting.com. Today I am focusing on solving quadratic equations by completing the square. I will help you live right here on this live stream :)
06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

1,386 views / 0 likes - added 8 years ago

We want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/
02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy

1,908 views / 0 likes - added 8 years ago

This is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/
11:24
Will Robots Replace Me? | The Big Question | Earth Lab

387 views / 0 likes - added 5 years ago

From lawyers to journalists, is any job safe in a robotic future? Best of Earth Lab: http://bit.ly/EarthLabOriginals Best of BBC Earth: http://bit.ly/TheBestOfBBCEarthVideos The Doctors Are In The House: http://bit.ly/TheDoctorsAreInTheHouse Welcome to BB
09:54
IIT JEE Hairy Trig and Algebra (Part 2)

694 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 2) More free lessons at: http://www.khanacademy.org/video?v=6t9ogglXNIM
06:28
IIT JEE Hairy Trig and Algebra (Part 3)

678 views / 0 likes - added 9 years ago

2010 IIT JEE Paper 1 #38 Hairy Trig and Algebra (Part 3) More free lessons at: http://www.khanacademy.org/video?v=KVRpXvrsSKM
09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy

2,097 views / 2 likes - added 8 years ago

How to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u
09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy

1,760 views / 2 likes - added 8 years ago

Converting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb
05:24 Popular
Math Challenge - Shrinking Pool Problem

1,189 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
09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,538 views / 1 likes - added 8 years ago

Using exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm
14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy

1,917 views / 0 likes - added 8 years ago

What a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy

1,720 views / 1 likes - added 8 years ago

When dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi
07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,587 views / 0 likes - added 8 years ago

How does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents
09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy

1,077 views / 0 likes - added 8 years ago

The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d
02:41 Popular
Trick Question - True or False

859 views / 0 likes - added 7 years ago

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
Featured
08:24
Citicorp Center | NYC skyscraper saved by a students question

540 views / 0 likes - added 4 years ago

The Citicorp Center repair is a classic engineering case study of how mistakes must be avoided in engineering and construction of public works. A skyscraper in New York City needed a unique structural system. While reviewing the design a student asked a q
02:08 Popular
Subtraction / Subtracting Integers - Word Problem

911 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.
02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy

1,485 views / 0 likes - added 8 years ago

Need to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p
04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy

1,617 views / 0 likes - added 8 years ago

If you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
03:40 Popular
Defining A Problem: Crash Course Kids #18.1

1,498 views / 0 likes - added 8 years ago

So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all be better Engineer
04:55 Popular
Solve the right triangle - Trigonometry Brain Teaser

1,681 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
03:11 Popular
Question the Herd | Brain Games

1,699 views / 0 likes - added 6 years ago

We've all heard the expression, "trust your gut." But when you find your gut instinct is different from everyone else's, whose gut will you trust? ➡ Subscribe: http://bit.ly/NatGeoSubscribe About Brain Games: Using a series of experiments, illusions and m
01:51
Why is the Sun Yellow? | Big Question | Newsround

150 views / 0 likes - added 1 year ago

#Newsround #TheSun #Sun #Space #BigQuestionHere's a Big Question from Year 6 from Hamstel Junior School.They want to know why the Sun is yellow.Eadie Weston from Jodrell Bank observatory answers this one.Welcome to the official BBC Newsround YouTube chann
06:02 Popular
Solve These Brainy Riddles If You Have Guts!

1,722 views / 1 likes - added 6 years ago

Solve These Brainy Riddles If You Have Guts! 10 Trickiest Animal Riddles For Kids With Answers IMPOSSIBLE EINSTEIN RIDDLES TO SOLVE - Only 2% Pass!! https://www.youtube.com/watch?v=yhUsXzvU3aQ IMPOSSIBLE HIDDEN OBJECTS TO TEST YOUR BRAIN!! : https://www.y
04:38 Popular
Can you solve the airplane riddle? - Judd A. Schorr

1,151 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-airplane-riddle-judd-a-schorr Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's
13:05
How To Graph Equations in Algebra

578 views / 0 likes - added 3 years ago

This algebra video tutorial explains how to graph equations such as linear equations in slope intercept form & standard form as well as quadratic functions using transformations, factoring, & setting up a data table.Algebra Textbooks:https://amzn.to/3cetP
01:00 New
The most dangerous problem in math

5 views / 0 likes - added 23 hours ago

The Collatz Conjecture is easy enough for almost anyone to understand but notoriously difficult to solve.
03:50 Popular
Can You Solve The Locker Riddle? - Lisa Winer

2,012 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-locker-riddle-lisa-winer Your rich, eccentric uncle just passed away, and you and your 99 nasty relatives have been invited to the reading of his will. He wanted to leave all of his money to yo
Featured
07:55
Hands-Free Snacking | What's Your Problem?

314 views / 0 likes - added 3 years ago

Rashid has a problem, he can't eat and play video games at the same time. We're building a machine that will feed him without him needing his hands!What's Your Problem? is a new series in which Joseph and his team solve other people's really annoying prob
04:08 Popular
Can You Solve The Passcode Riddle? - Ganesh Pai

1,408 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-passcode-riddle-ganesh-pai In a dystopian world, your resistance group is humanity’s last hope. Unfortunately, you’ve all been captured by the tyrannical rulers and brought to the ancient colis
Featured
04:58
Using Proportion To Solve For Variable

558 views / 0 likes - added 8 years ago

Using proportion to solve for variable
05:01
Are We Alone In The Universe? (ft Ben Hunte) | The Big Question | Earth Lab

408 views / 0 likes - added 5 years ago

We can see black holes but we still haven't found extraterrestrial life in space. Does this mean there is no such things as aliens? BBC LGBT correspondent Ben Hunte looks at whether aliens exist, and where they could be hiding. Subscribe to Earth Lab: Bes
09:07
How Can Technology Help Santa This Christmas? (ft Rosie Turner) | The Big Question | Earth Lab

300 views / 0 likes - added 3 years ago

In 2018, riding on a sleigh wearing wool might seem a bit outdated. What new transport technology could make Santa faster? And can A.I. help him restructure his work force, as well as make him more efficient in distinguishing nice from naughty?Best of Ear
04:54 Popular
Can you solve the three gods riddle? - Alex Gendler

1,284 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-three-gods-riddle-alex-gendler You and your team have crash-landed on an ancient planet. Can you appease the three alien overlords who rule it and get your team safely home? Created by logician
02:54 Popular
Steven Universe | Sapphire and Ruby Question Being Garnet | Cartoon Network

736 views / 5 likes - added 5 years ago

Ruby and Sapphire question Garnet's existence after finding out the truth about Rose. Subscribe to the Cartoon Network UK YouTube channel: https://goo.gl/hRAVDf Visit the Cartoon Network UK website: http://www.cartoonnetwork.co.uk Check out all the amazin
24:12 Popular
How to Solve a Rubik's Cube | WIRED

1,819 views / 2 likes - added 4 years ago

WIRED's Robbie Gonzalez learned to solve a Rubik's cube from Tyson Mao, one of the co-founders of the World Cube Association. In two weeks, Robbie got his solve time down from 45 minutes with Tyson, to 20 minutes on his own, to under a minute on average.
07:10
TOUGH Interview Question - Ways To Give 11 Coins To 3 People

602 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
04:43
Multiplying Binomials To Solve For Coefficients

552 views / 0 likes - added 8 years ago

Multiplying binomials to solve for coefficients
11:09 Popular
Algebra Basics: What Are Polynomials? - Math Antics

1,793 views / 0 likes - added 8 years ago

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
07:29
Would You Have Been A Beauty In Ancient Rome? (ft Lana Summer) | The Big Question | Earth Lab

237 views / 0 likes - added 3 years ago

Lana Summer brings science to her latest make up tutorial in order to discover what the ancient romans' beauty routine was like... and why it was potentially toxic.Watch more from Lana here: https://www.youtube.com/user/LanaLadyBuggBest of Earth Lab: http
03:02 Popular
Can you solve the never ending square root?

2,985 views / 0 likes - added 7 years ago

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
04:58 Popular
Your Brain Can Solve Algorithms - David J. Malan

1,000 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
04:21 Popular
Basic Trigonometry - Word Problem

718 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
04:53 Popular
Can you solve the prisoner boxes riddle? - Yossi Elran

1,072 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-boxes-riddle-yossi-elran Your favorite band is great at playing music...but not so great at being organized. They keep misplacing their instruments on tour, and it’s driving their mana
Featured
04:35 Popular
Can You Solve The Prisoner Hat Riddle? - Alex Gendler

1,408 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids
07:40
The Sun Blocker | What's Your Problem?

364 views / 0 likes - added 4 years ago

AJ finds it annoying that he can't reach his own back when applying sunscreen, so Joseph and his team make a machine to do it automatically. What's Your Problem? is a new series in which Joseph and his team solve really annoying problems by making hilario

>> View solve harvard admissions question? algebra problem 1869 web videos