3Blue1Brown
How pi was almost 6.283185
Happy pi day! Did you know that in some of his notes, Euler used the symbol pi to represent 6.28..., before the more familiar 3.14... took off as a standard?
KnowMo
How to Calculate Simple Interest in Financial Mathematics
The video is a lecture on simple interest in financial mathematics. The presenter explains the concept of simple interest and how it is used to calculate interest for a period of time at a particular rate of interest. The formula for...
Curated Video
Lilly's Age (Write an equation, create a table, and graph a table of values given an equation in the form of ( y = x + b))
Lilly is 2 years younger than her brother. If her brother is 'x' years old, how old is Lilly 'y'?
Curated Video
Mathematical Thinking - Crash Course Statistics
Today we’re going to talk about numeracy - that is understanding numbers. From really really big numbers to really small numbers, it's difficult to comprehend information at this scale, but these are often the types of numbers we see...
Curated Video
Identify Special Solutions of Compound Inequalities
In this video lesson we will learn how to identify Special Solutions of Compound Inequalities. We will learn that some compound inequalities have no solution, a solution of all real numbers, one solution or a one inequality solution. We...
Brainwaves Video Anthology
Michael J. Dunlea - Teaching in Challenging Times - Manahawkin, NJ USA
Michael Dunlea is a third grade teacher at the Tabernacle Elementary School, Tabernacle, New Jersey, USA. He has been selected as a Top Fifty Finalist for the Global Teacher Prize.In the classroom, he has been using technology to take...
Brainwaves Video Anthology
Rebecca West - Teaching in the Global Pandemic - Australia
Rebecca West was a top ten finalist for the 2021 Global Teacher Prize. Rebecca is also deputy principal at Bonnyrigg Public School, New South Wales, Australia, knew as soon as she entered a classroom as a student-teacher 22 years ago...
60 Second Histories
Maya mathematics
This short video takes a brief look at the Ancient Maya numbering system which was based on 20 rather than 10 like ours is now.
Curated Video
Algebra | Expanding Single Brackets | Maths with Mrs. B
This video will guide you through the process of expanding a single term across terms within a bracket, demonstrating each step with clear examples. 00:00 Introduction 00:12 Demonstration 01:08 Questions 01:23 Example 1 01:51 Example 2...
Curated Video
Algebra | Factorising to Single Brackets | Maths with Mrs. B
This video will guide you through the process of factorising expressions into single brackets, with clear step by step examples. 00:00 Introduction 00:12 Demonstration 01:29 Questions 01:44 Example 1 02:33 Example 2 03:24 Example 3 04:14...
Curated Video
Algebra | The nth Term | Maths with Mrs. B
Explore the concept of the nth term and learn how to write an nth term expression for a sequence in this clear, step-by-step tutorial. 00:00 Introduction 00:12 Demonstration 03:03 Questions 03:22 Example 1 04:20 Example 2 05:16 Example 3...
Curated Video
Algebra | Two-Step Equations | Maths with Mrs. B
This video builds upon foundational knowledge of algebraic equations, delving into the methodology for solving two-step equations with clear, step-by-step explanations. 00:00 Introduction 00:14 Questions 00:32 Example 1 01:42 Example 2...
Curated Video
Algebra | Equations - An Introduction | Maths with Mrs. B
This video introduces the concept of algebraic equations and guides learners through the process of solving one-step equations, step by step. 00:00 Introduction 00:16 What is an Equation? 02:13 Solving Equations 02:32 Example 1 03:23...
Crash Course
How to Ace the Interview: Crash Course Business - Soft Skills
If you’ve got a job interview coming up and you’re feeling a little nervous, don’t worry. If you’re anything like me, you’ve probably seen enough celebrity interviews to know what works and what doesn’t. Sure, it's not as flashy, but you...
3Blue1Brown
How pi was almost 6.283185...
A bit of the history behind how we came to use the symbol "pi" to represent what it does today, and how Euler used it to refer to several different circle constants.
Curated Video
Adults Stumped By Homework For 7 Year Olds!
This comes from the "math missionary" Greg Tang whose website GregTangMath.com contains many math education games and resources. I saw it in a tweet by best-selling author Celeste Ng, who said it was given to her 7 year old. The problem...
Curated Video
The "Fibonacci" Sequence Was Actually Discovered In India 1000 Years Earlier
The sequence of numbers 1, 1, 2, 3, 5, 8, 13, etc was described by Fibonacci around 1200 AD. The Indian mathematician Pingala found the sequence at least 1,000 years before (probably 200 BC) while analyzing Sanskrit poetry. This video...
Curated Video
Can You Solve A Scottish Math Exam From 130 Years Ago?
This problem comes from an exam in 1888 for secondary school students. It was actually optional so it was considered to be a challenging problem. I bet some students today will struggle with it too, but it's the kind of problem solving I...
Curated Video
Challenge For 13 Year Olds - How Tall Is The Bottle?
At first I thought this problem was a mistake because it seemed impossible to solve! I have discovered a truly remarkable proof of this problem which this margin is too small to contain...but no worries I don't keep secrets: you can...
Curated Video
Can You Solve Homework For 10 Year Olds In China?
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:...
Brainwaves Video Anthology
Michael J. Dunlea Teachers Make a Difference - Mary Finn
Michael Dunlea is a third grade teacher at the Tabernacle Elementary School, Tabernacle, New Jersey, USA. He has been selected as a Top Fifty Finalist for the Global Teacher Prize.In the classroom, he has been using technology to take...
National Institute of Standards and Technology
Cybersecurity Framework Workshop Rebecca Blank
Commerce Deputy Secretary Rebecca Blank calls for industry to work with NIST in partnership to develop a voluntary framework that will promote best practices at critical infrastructure facilities and businesses to keep the U.S. safe.
Brian McLogan
Multiply a whole equation by LCD to solve an equation with fractions, (1/4)x+(2/3)=(5/6)
👉 Learn how to solve two step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two step linear equation, we first isolate the variable by using inverse...
Brainwaves Video Anthology
Željana Radojičić Lukić - Teachers Make a Difference - Milica Maric
Željana is a former refugee and now teaches in the rural community. She could never get back to her hometown, but her experiences inspired her to develop a new type of school tailored for a child of the 21st century. In her first big...