Code.org
CS in Algebra: Big Game Update Player
Now that your sprites are in motion let’s get them to respond to the player’s keyboard events like pressing “up” or “down”. You’ll get familiar with using conditionals to check which key was pressed and map keys to specific functions...
Code.org
CS in Algebra: Big Game Compound Booleans
Booleans allow us to answer yes or no questions. To more specific questions you’ll need to deploy compound booleans. In this episode you will explore AND and OR - powerful boolean expressions that can combine other booleans to keep your...
Zach Star
The History of Mathematics and Its Applications
The History of Mathematics and Its Applications
Brian McLogan
Basics into Reading Graphs - Learn how to read a graph
👉 In this playlist you will learn how to graph a linear equation in standard form, slope intercept form as well as when the slope and y intercept are provided. In addition to graphing linear equations we will also learn how to determine...
Curated Video
"Only A Genius Can Solve" Viral Math Problem - The Horse, Horseshoe, Boots Problem
A lot of people are arguing over the correct answer to this emoji math 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...
Curated Video
Can You Solve An MIT Test Question (in 1869)? The Order Of Operations
The MIT entrance exam in 1869 had a problem about the order of operations. As these types of math questions often go viral on Facebook and Twitter with heated arguments, it would be interesting to see if students today could solve this...
Curated Video
MIND-BLOWING MATH DISCOVERY - Multiply Numbers By Lines Rotation Geometry
Since 2007, millions of people have watched videos on "how the Japanese multiply," also known as "Chinese stick multiplication" or "Vedic Math." With millions of people watching these videos, you would expect everything is known about...
Curated Video
Which Is Faster: Run Half The Distance Or Half The Time?
Thanks to Muztoba Ali in Bangladesh for this problem! Two brothers, A and B, have the exact same walking speed and the exact same running speed. One day they started the same trip to the same place. Brother A walked for half of the...
Curated Video
"Prove" 3 = 0. Can You Spot The Mistake?
Thanks to Lucas from Brazil who sent this problem! This is a proof that 3 = 0 using sneaky algebra that I had never seen before (this is a sneaky mistake, not a simple divide by 0 fallacy). Every step seems correct, but the conclusion is...
Curated Video
Most US College Students Cannot Solve This Basic Math Problem. The Working Together Riddle
To complete a job, it takes: Alice and Bob 2 hours, Alice and Charlie 3 hours, and Bob and Charlie 4 hours. How long will the job take if all 3 work together? Many, many US college students set up the equations incorrectly and get the...
Curated Video
Can You Solve The Number Of Children Riddle?
Many people make mistakes in this seemingly routine algebra problem. The average age of a family (two parents and their children) is 20. If we exclude one parent, who is 40, the average age drops to 15. How many children are in the...
Curated Video
Can You Solve This Crazy Equation? Ramanujan's Radical Brain Teaser
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...
Curated Video
How Many Triangles Are There? Learn The Formula For Any Size!
How many triangles are formed in a grid of equilateral triangles with N triangles in its base? The video shows a pattern in the case of n=4 and presents a formula for the general case. Blog post (text explanation): http://wp.me/p6aMk-4sO...
Curated Video
The Quadratic Formula - Why Do We Complete The Square? INTUITIVE PROOF
The quadratic formula is really useful, but its derivation is confusing to many. Like what is the point of "completing the square" anyway? In this video, I show how "completing the square" has a geometric interpretation--you are actually...
Curated Video
Smartphone App Solves Common Core Test Problems
PhotoMath is a pretty neat app that can solve math problems instantly. Here is the app solving some sample Common Core test questions. Links to the free app and more below... PhotoMath App (Currently free on iPhones, Android, Windows,...
Curated Video
HOLIDAY RIDDLE - In The "12 Days Of Christmas," How Many Total Gifts Are Given?
You may remember the song "12 Days of Christmas" in which each day you get N gifts, plus all the gifts from the preceding days. How many gifts are given in total? What's a general formula? Algebraic proof...
Curated Video
How Crossed Ladders And Working Together Problems Are Related - The Harmonic Mean
Problem 1: Two ladders are criss-crossed against walls of height 3 and 5. At what height do they intersect? Problem 2: I take 3 hours to complete a job, and you take 5 hours to do the same job. How long does it take if we work together?...
Curated Video
Why It Works: Quickly Square a Number Ending in 5
Sorry I made a major algebra mistake in the video! The correct formula is 100x^2 + 100x + 25 which then equals 100(x(x+1)) + 25. Video explaining trick: http://youtu.be/oV7Kxm3Zr_c Vedic Math Method Ekadhikena Purvena "By one more than...
Curated Video
Proving pi is irrational (using high school level calculus)
I did make one big typo/mistake in the video: at 3:40 I claimed that f(x) is a polynomial with integer coefficients. I meant to write n!f(x) is a polynomial with integer coefficients. Commenter ffggddss also pointed out some other...
Curated Video
What Is The Area? Challenge From Croatia
Thanks to Matej for suggesting this problem! This is from a math competition for 14 year olds in Croatia. While the problem is challenging, "you should be able to solve it" using elementary geometry and algebra. Can you figure it out?...
Curated Video
Viral Math Problem "Stumping The Internet" - Coconut Plus Apple Plus Banana
This emoji math 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...
Curated Video
A 16 Year Old Discovered This AMAZING Geometry Hidden Pattern. Pascal's Theorem
Pascal discovered this amazing geometry result when he was only 16. The book "The Art of the Infinite" by Robert Kaplan and Ellen Kaplan has a wonderful introduction to projective geometry and a proof this this theorem. Proof of Pascal's...
Tarver Academy
What Books Should Teachers Read?
GET THESE BOOKS!!! Atomic Habits - https://amzn.to/300YQck Start with Why - https://amzn.to/35nLO9H Move Your Bus - https://amzn.to/2MZEb30 Go See the Principal - https://amzn.to/39GHGFd The Infinite Game - https://amzn.to/2ttSsy6...
Tarver Academy
3-2 Angles formed by Parallel Lines and Transversals // GEOMETRY
http://bit.ly/tarversub Subscribe to join the best students on the planet!! ----Have Instagram? DM me your math problems! http://bit.ly/tarvergram Hangout with Tyler and watch EXCLUSIVE videos!! http://patreon.com/tylertarver Get Math...
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