SciShow
Journey to the Center of a Neutron Star
There are a lot of incredible things in space, but neutron stars are some of the most mind-blowing. From liquid plasma oceans on the surface to a possible neutron superfluid in the core — as you go deeper into a neutron star, the physics...
Curated Video
The Wrong Way To Reduce Fractions. But It Works Sometimes
This is a joke video about mathematical coincidences. I solved a bunch of fractions problems but my teacher didn't like my answers even though the results were 100% correct. It's called anomalous cancellation....
Curated Video
Card Trick To Remember The Fractions Of 7
The fractions of 7 have a pattern which I illustrate using six cards. If you like my videos, you can support me at Patreon: http://www.patreon.com/mindyourdecisions Connect on social media. I update each site when I have a new video or...
Curated Video
Can You Solve A Maths Competition Problem From The UK? Factorial Fractions
This is a fun problem that appeared in UKMT, an organization that organizes maths competitions and educational activities. What is the following equal to? Give your answer as an integer. (10! + 9!)(8! + 7!)(6! + 5!)(4! + 3!)(2! + 1!)...
Curated Video
What are factors? | An introduction to finding factors
Dive into the exciting world of factors with Doodles and Digits! This video is your ultimate guide to understanding factors, why they're important, and how to find them using different strategies. What you'll learn: The clear definition...
Brian McLogan
Solve a rational equation with the quadratic formula
👉 Learn how to solve rational equations. A rational expression is an expression in the form of a fraction where the numerator and/or the denominator are/is an algebraic expression. There are many ways to solve rational expressions, one...
Curated Video
AMAZING Formula For Pi (π) - The Wallis Product
Start with the pair of fractions (2/1)(2/3). Now increment each number by 2 to get the pair of fractions (4/3)(4/5). Repeat this to get the next pair, and repeat this infinitely many times. If you then multiply all the fractions, you get...
Curated Video
The Magical Fraction 1/999,999,999,999,999,999,999,998,999,999,999,999,999,999,999,999
The number 1/999,999,999,999,999,999,999,998,999,999,999,999,999,999,999,999 has the Fibonacci numbers in order for every group of 24 decimals. This video explains why the pattern emerges. (sources, proofs, and links below) Via Futility...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Probability - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Probability & Statistics: Pythagoras Theorem - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Math Playground
How Do you Divide Fractions?
The concept of dividing fractions is explored in this video. The instructor answers the question of whether or not one always has to invert fractions when multiplying. The answer is no, and she goes on to explain when one has to invert...
Northeast Arkansas Education Cooperative
Simplify Algebraic Fractions by Factoring
A brief presentation with laser-like focus, this video talks young mathematicians through the mechanics of simplifying algebraic fractions by factoring trinomials. While the factoring itself is assumed to be a mastered skill, the...
Northeast Arkansas Education Cooperative
Simplify Algebraic Fractions by Factoring 2
Take your class through the mechanics of simplifying algebraic fractions by factoring trinomials. Though the steps for factoring are assumed known, the process of identifying and canceling common factors are detailed with...