3Blue1Brown
Music And Measure Theory
How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.
PBS
Unraveling DNA with Rational Tangles
When you think about math, what do you think of? Numbers? Equations? Patterns maybe? How about.... knots? As in, actual tangles and knots?
3Blue1Brown
Music And Measure Theory
How one of the introductory ideas in a field called "measure theory" can be thought of in terms of musical harnomy and dissonance.
PBS
Can We Combine pi & e to Make a Rational Number?
Can you produce a rational number by exchanging infinitely many digits of pi and e?
PBS
How to Break Cryptography
Only 4 steps stand between you and the secrets hidden behind RSA cryptography. Find out how to crack the world's most commonly used form of encryption.
Curated Video
Irrational Numbers: Pythagoras
Beside the now-famous theorem which bears his name, discover the bizarre life of Pythagoras and his Brotherhood, in which maths was the language of the Gods and irrational numbers were heretical. Maths - History Of Maths A Twig Math...
Curated Video
Comparing and Ordering Rational Numbers
In this video, we'll explore how to compare and order rational numbers, including decimals, fractions, integers, and absolute values. Perfect for beginners or anyone who needs a quick review. This tutorial will make these concepts easy...
Curated Video
What are Rational Numbers?
Are you ready to master the concept of absolute value? In this lesson, we'll break it down step-by-step! Discover how to find absolute value using a number line and see just how simple it can be. With clear examples and easy-to-follow...
Curated Video
Identifying Surds: Test Your Knowledge
This video provides a variety of practice questions and answers on the topic of identifying surds.
Curated Video
GCSE Maths - Types of Numbers #1
This video will look at: The difference between rational and irrational numbers. The 4 main types of rational numbers, which are integers, fraction, terminating decimals and recurring decimals. 2 examples of irrational numbers: surds and...
Curated Video
Approximating Irrational Square Roots | 8.NS.A.2
In this math video we will be approximating irrational square roots on a number line. We will be given a number line with four plotted points and asked to identify which is the best approximation of the given square root. We will create...
Curated Video
Absolute Value Word Problems
"Absolute Value Word Problems" models how to list rational numbers given in word problems from least to greatest or greatest to least by using knowledge of absolute value.
Curated Video
Order for Rational Numbers
Order for Rational Numbers writes, interprets, and explains statements of order for rational numbers in real-world contexts.
Curated Video
Plotting a Decimal on a Number Line
In this video, the teacher explains how to plot decimals on a number line. They demonstrate the process step by step, starting from identifying which two integers the decimal lies between. The teacher also shows how a more detailed graph...
Curated Video
What Is Pi (π)? Is It Infinite?
Pi (π) is a fascinating number with many applications in mathematics, physics, and engineering. Its infinite decimal representation is a reminder of its fundamental nature in the universe. Mathematician Johann Lambert proved that pi is...
Curated Video
Simplifying Radical Expressions
This video will explain and demonstrate how to simplify radical expressions.
Curated Video
Dividing Rational Numbers
"Dividing Rational Numbers” will review the rules and procedures for dividing rational numbers.
Curated Video
Multiplying Rational Numbers
“Multiplying Rational Numbers” will review the rules and procedures for multiplying rational numbers.
Curated Video
Operations with Rational Numbers: Multiplying and Dividing
In this video, the teacher explains how to perform operations with rational numbers, specifically multiplication and division. The video includes step-by-step instructions and rules for handling different signs and dividing by a...
Curated Video
Understanding Rational and Irrational Numbers: Identifying Decimal Patterns
In this video, the teacher discusses the concept of rational and irrational numbers by analyzing a specific number value and four statements about it. Through a clear and concise explanation of integers, whole numbers, and fractions, the...
Curated Video
Add two rational numbers by using the number line
Add two rational numbers by using the number line
Curated Video
Combining Opposite Rational Numbers to Make Zero on a Number Line
In this lesson, students will learn how to use a number line to show that opposite rational numbers combine to make zero. They will understand that rational numbers include integers and can be expressed as fractions. Through real-life...
Curated Video
Solving Linear Equations with Rational Numbers: Fractions and Decimals
In this video, the teacher explains how to solve linear equations that involve both fractions and decimals. They demonstrate the process of converting fractions and mixed numbers to decimals, and then show different methods for solving...
Curated Video
Rewriting Fractions as Repeating Decimals Using Long Division
In this video, the teacher explains how to rewrite fractions as repeating decimals using long division. They address common misconceptions, such as assuming that a repeating decimal is not a rational number.