Curated Video
Understanding Undefined Notions in Geometry
In this video transcript, the teacher explains why certain terms in geometry, such as point, line, and distance, are considered undefined notions. By exploring circular reasoning and logic, the teacher highlights the need for precise...
Curated Video
The Greeks and Proof
The Greek development of a rigorous system of logic and reasoning, which led to the first mathematical proofs. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films...
Curated Video
Why Group Texts Are Annoying - The Mathematical Reason
Group texts are like emails where each person does a "reply-all" to every message. This video considers organizing a dinner with N friends and compares sending individual texts to each person versus sending a group text. We show that...
Tarver Academy
Algebra - Logical Reasoning
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...
Tarver Academy
ACT/SAT PREP: Logical Reasoning FTW!!!!!
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...
Crash Course
Population Health: Crash Course Sociology
We’re continuing our unit on health with a discussion of some of the indicators that help us measure health for different populations. We’ll also explore three contributors to health disparities: individual factors like genetics,...
Schooling Online Kids
Science for Kids: Early Stage 1 - Suit Yourself, Greg
Join Greg and explore clothing from around the world! Learn about the materials used in clothing from different cultures. What do people wear when they do different activities like dancing, hunting, farming or going to a wedding? Watch...
Curated Video
AMAZING CIRCLE ILLUSION! Optical Illusion Explained With Math
This incredible optical illusion shows how circular motion can result from linear motion! The reason we see the circle has to do with high school geometry. I explain why and give a formal mathematical proof in the video. My blog post for...
Curated Video
Game Theory: Why Cherry Picking Should Not Work In The NBA
Could cherry-picking work in the NBA? Perhaps it could work in actual play. But in theory, as I suggest using game theory, there are logical reasons why cherry-picking should not work as a dedicated strategy. Sacramento Kings "Owner...
Curated Video
Guess Your Age And Shoe Size - Why The Viral Trick Works
Follow the simple instructions in the video and the result will be a fun mathematical effect! The trick got really popular a couple of years ago, but no one explained exactly why it worked. So in this video I also give the reason why the...
Curated Video
HOW SMART ARE YOU? The Stolen Bill Riddle (Viral Math Problem) - The Correct Answer Explained
This problem is making the rounds on Facebook and Twitter with thousands of people arguing about the correct answer. How smart are you? A guy walks into a store and steals a $100 bill from the register without the owner's knowledge. He...
Curated Video
A Problem WolframAlpha Didn't Solve, But You Can (615 + x^2 = 2^y)
I didn't solve this problem myself, but I felt better when I learned WolframAlpha couldn't solve it either! But there is a way to solve it using careful mathematical reasoning. Thanks to Luka Khizambareli from Georgia for suggesting this...
Curated Video
The 3 Jug Riddle
You have a full 12 liter jug and empty 5 and 8 liter jugs. Can you measure exactly 6 liters? This problem dates to 1484 and was posed in the context of a milkman making a home delivery to a customer. The story goes this riddle so...
Curated Video
Always Remember Your Times Table (6 to 10) Using Finger Multiplication
What is 7x8? This video teaches how you can use your hands to multiply two numbers between 6 and 10 using your fingers. Here's the reason the method works: https://www.youtube.com/watch?v=eEao6-F7fz8 If you like my videos, you can...
Curated Video
Math Magic Trick: Guessing A Crossed Out Digit
Ask a friend to select a secret number. Tell them to multiply the number by 9. Let them cross out one of the digits (except 0), and then add up the remaining digits. You can guess which number was crossed out every time! Here is why....
Curated Video
Dark Knight Game Theory (Part 2): Joker Mob Negotiation
The Joker asks the mob for half the money. Why is this a reasonable amount? I've explained the scene in more detail here:...
TMW Media
Geometric Proofs: Why are proofs important
Why is it important to do proofs? What is a proof? Why does every statement have to be true? Geometric Proofs, Part 1
TMW Media
Geometric Proofs: An example proof
What are proofs trying to get you to do? What is needed when preparing to work on a proof? Geometric Proofs, Part 2
TMW Media
Geometric Proofs: Part 2 of 3 of learning to solve proofs
This video contains 2 more proofs to solve. Geometric Proofs, Part 5
TMW Media
Geometric Proofs: Part 1 of 3 of learning to solve proofs
This video contains 2 proofs to solve. Geometric Proofs, Part 4
TMW Media
Geometric Proofs: Part 3 of 3 of learning to solve proofs
This video contains 1 proof to solve. Geometric Proofs, Part 6
TMW Media
Geometric Proofs: The properties of proofs
What are the 9 properties you can apply to proofs? What else can you apply to proofs? Geometric Proofs, Part 3
CK-12 Foundation
Inductive Reasoning: Lesson
Let's get specific about the general conclusion. The video, a portion of an extensive geometry playlist, introduces inductive reasoning. Using patterns, the resource explains how inductive reasoning goes from the specific to general.
CK-12 Foundation
Deductive Reasoning: Lesson
It is elementary, my dear Watson. A segment in a playlist on geometry introduces the idea of deductive reasoning. The video goes over three rules that apply to deductive reasoning and conditional statements.