PBS
Real-Life Math | Police Accident Investigator
I swear it was an accident. Future motorists watch a video where a police accident investigator explains how he determines car speed from the length of a skid mark and the coefficient of friction. Performing similar computations requires...
PBS
Real-Life Math | Radiologist
How are radiologists like superheroes? Answer: They have X-ray vision and can do math. A short three-minute video and an associated lesson focus on how radiologists use math in their professional lives. It tasks learners with performing...
Domain of Science
Why Is It Called a Square Root?
Take a radical look at square roots. The presentation examines square roots as the lengths of the sides of a square with a given area on the coordinate plane. Using this method, it is clear why the square root of a number can be positive...
Math Antics
Exponents in Algebra
The rules still hold. By reviewing the meaning of exponents in arithmetic, the video takes a look at exponents in algebra. The resource develops the meaning of any number raised to the zero power. Taking the idea of exponents further,...
Mathed Up!
Algebra: Substitution
The sixteen problems in this resource present opportunities for pupils to practice substituting into algebraic expressions. Scholars evaluate algebraic expressions for given values of the variables. In a few cases, class members need to...
Brightstorm
Simplifying Radical Expressions - Concept
Radical, dude! The resource provides an explanation on how to simplify radical expressions. It makes clear that radical expressions are ones that are strictly numerical but also are algebraic expressions. One of the problem sets...
Northeast Arkansas Education Cooperative
Working with Exponents and Radicals When Evaluating Expressions
Take the basic concept of evaluating expressions to the next level with this video. First, the presenter stresses the importance of using the order of operations. Then he shows examples of substituting values into variable...
Khan Academy
Khan Academy: Algebra: Finding Cube Roots
Video simplifying the cube root of a negative number using prime factorization. Includes link to additional practice at the top of the video. [4:18]
Khan Academy
Khan Academy: Algebra: Simplifying Radical Expressions 1
Video simplifying the cube root of a negative number using prime factorization. [2:37]
Khan Academy
Khan Academy: Algebra: Square Roots and Real Numbers
This resource explains how to find the square root of real numbers using their prime factorizations and labeling the results as rational or irrational. [10:19]
Math Planet
Math Planet: Perfect Squares and Square Roots
Students learn how to approximate square roots through class notes and a video lesson.
Sophia Learning
Sophia: Square Roots and Cube Roots of Fractions
Video demonstrating how to find the square root or the cube root of a fraction. Includes three multiple-choice questions for checking comprehension. [0:42]
Virtual Nerd
Virtual Nerd: What Is the Product Property of Square Roots?
The product property of square roots is really helpful when you're simplifying radicals. Watch this tutorial and learn about it. [4:15]
Virtual Nerd
Virtual Nerd: What Is the Quotient Property of Square Roots?
This tutorial introduces you to the quotient property of square roots which is very useful when trying to take the square root of a fraction. [3:51]
Virtual Nerd
Virtual Nerd: How Do You Find the Square Root of a Perfect Square?
This tutorial shows you how to take the square root of a perfect square (36). [1:59]
Virtual Nerd
Virtual Nerd: How Do You Estimate the Square Root of a Non Perfect Square?
This tutorial illustrates how to estimate the square root of a number that is not a perfect square without the use of a calculator. [2:59]
Khan Academy
Khan Academy: Intro to Cube Roots
Explains what cube roots are and how to find them, including the cube root of a negative number. [8:00]
Khan Academy
Khan Academy: Cube Root of a Non Perfect Cube
Demonstrates how to find the cube root of a number that is not a perfect cube. [4:50]
Khan Academy
Khan Academy: Intro to Square Roots
Explains what square roots are and demonstrates how to find the square root in an equation. [5:24]
Khan Academy
Khan Academy: Approximating Square Roots to Hundredths
Learn how to approximate the decimal value of square root of 45 without using a calculator. [7:11]
Khan Academy
Khan Academy: Comparing Irrational Numbers With Radicals
Learn how to sort irrational numbers with radicals from least to greatest without using a calculator. [5:28]
Khan Academy
Khan Academy: Intro to Cube Roots
By watching this video lesson, students will learn the meaning of cube roots and how to find the cube root of a negative number. [8:00]
Khan Academy
Khan Academy: Intro to Square Roots
Video tutorial provides an introduction to square roots. Learn about the square root symbol (the principal root), what it means to find a square root, and how to solve simple square root equations. [5:23]
Khan Academy
Khan Academy: Exponent Properties: Simplifying Cube Roots
In this video lesson students learn about simplifying cube roots.