Instructional Video
Curated OER

Simplify Radical Expressions

7th - 9th Standards
Here the focus is on simplifying square root expressions. Showing how to rewrite a variable or integer radicand as a product of the perfect square factor and any remaining factors, is shown through examples. They also present...
Instructional Video
Curated OER

Solve Problems Involving Scientific Notation

7th - 9th Standards
This presentation takes the topic of scientific notation past the basics to look at some more complicated problems of simplifying numbers in scientific notation. Specifically, they cover multiplying a number in scientific notation by a...
Instructional Video3:47
Curated OER

How Do You Solve a Word Problem Using the Direct Variation Formula?

6th - 12th
Have your class figure out how much "Teddy" weighs on the moon and how to translate words into algebra! This video shows pupils how to take a word problem, and then solve it using the direct variation formula and given information. Great...
Instructional Video3:59
Curated OER

How Do You Solve a System of Equations Using the Substitution Method?

6th - 12th
Watch this video to learn how to find the solution to a system of equations with the substitution method! A teacher will lead you through each step necessary, explaining her steps and the reasoning behind her decisions. After watching...
Instructional Video2:42
Curated OER

What's an Irrational Number?

6th - 12th
This video defines rational numbers. Through the definition and examples, learners should comprehend that irrational numbers are numbers that cannot become simple fractions. The video uses examples of very common irrational numbers, such...
Instructional Video2:28
Curated OER

What Does the Slope of a Line Mean?

6th - 12th
Evaluate the steepness of lines, also known as the slope, by watching this video. A tutor explains what the slope of a line is and compares 2 different lines to demonstrate slope. A practical introductory video for classes that are just...
Instructional Video3:30
Curated OER

What's a Percent of Change?

6th - 12th
Learners who view this video will gain a stronger understanding of percent of change. The tutorial provides a formula and a sample problem. As the tutor completes the example, she explains and clarifies each step that she takes to find...
Instructional Video5:26
Curated OER

What is the Substitution Property of Equality?

6th - 12th
Explore the substitution property of equality with this video. The resource uses examples to define the property, showing how to replace a variable with a value. Use this to help struggling learners or as review for an upcoming test. A...
Instructional Video5:42
Curated OER

How Do You Solve a Decimal Inequality Using Division?

6th - 12th
Divide decimals to solve this inequality! Learners can watch the instructor in this thorough video as she works through an inequality that contains decimals. This resource is appropriate for teaching, reinforcing, or reviewing the concept.
Instructional Video6:15
Curated OER

How Do You Solve a Decimal Inequality Using Division with Negative Numbers?

6th - 12th
If your class is studying inequalities, consider this video. The focus is on solving a decimal inequality that has negative numbers in it. A lecturer works through an example problem, commenting on the steps and properties necessary to...
Instructional Video4:42
Curated OER

How Do You Subtract Two Rational Expressions with Different Denominators?

6th - 12th
Reinforce instruction on the least common denominator and subtracting rational expressions with this tutorial video. Learners can view this video in class or at home. Consider using this resource to supplement your lesson plan.
Instructional Video4:15
Curated OER

How Do You Add Two Rational Expressions with Different Denominators?

6th - 12th
Teach your class how to add two algebraic fractions with different denominators. The instructor in the video describes how to find the common denominator and demonstrates how to simplify the expression. A straightforward video, this...
Instructional Video1:56
Curated OER

What's a Quotient?

6th - 12th
A straightforward definition of a quotient, this video targets a slightly more advanced audience by using rational expressions to demonstrate a quotient. Make sure your class knows that a quotient is the answer they get when they divide...
Instructional Video10:17
Curated OER

How Do You Solve a Rational Equation by LCD Multiplication?

6th - 12th
Use the least common denominator to solve rational equations with variables in the denominators of algebraic fractions. Learners can watch this video to find out how to do just this! An instructor solves 2 problems by finding the least...
Instructional Video10:35
Curated OER

How Do You Solve a Rational Equation by Adding Fractions?

6th - 12th
A comprehensive video, this resource explains how to solve an equation when you have a variable in the denominator. The lecturer works through 2 different problems that represent 2 situations. From this video, pupils can gain knowledge...
Instructional Video2:18
Curated OER

What's Another Definition for an Integer?

6th - 12th
Break down integers with this video. A teacher gives a basic definition and provides several examples of integers. The examples cover numbers that are integers as well as numbers that are not integers. A concise video, this resource...
Instructional Video6:31
Curated OER

How Do You Find the Volume of a Triangular Pyramid?

6th - 12th
Instruct your class on how to find the volume of a triangular pyramid using this tutorial. Learners can watch the video and take notes, later applying what they have seen to class work or homework. A clear video with direct instruction,...
Instructional Video4:50
Curated OER

What is the Product Property of Square Roots?

6th - 12th
If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...
Instructional Video4:27
Curated OER

What is the Quotient Property of Square Roots?

6th - 12th
Before defining the quotient property of square roots, the teacher in this video works through an example that shows how the property is possible. She then goes through a couple more examples of the property in action. Show this resource...
Instructional Video8:53
Curated OER

What is the Formula for Compound Interest?

6th - 12th
View this tutorial for more than just a description of the formula for compound interest! An instructor goes through a problem, showing how to find simple interest and compound interest. After she completes each version, she explains the...
Instructional Video1:51
Curated OER

How Do You Use the Solution from an Equation to Evaluate an Expression?

6th - 12th
A quick demonstration of how to solve an equation and use that solution to determine another value, this tutorial video could be used in class or at home. The demo acts as a model for solving this type of problem. Have your pupils keep...
Instructional Video6:24
Curated OER

What is a Linear Equation?

6th - 12th
Explore linear equations with this video about lines with equal signs! The instructor demonstrates linear equations in a variety of ways: writing examples, plugging in solutions, and graphing equations. This resource could act as an...
Instructional Video6:52
Virtual Nerd

How Do You Use a Tree Diagram to Count the Number of Outcomes in a Sample Space?

6th - 9th Standards
Deciding what to wear can be difficult, but it helps if you know your options. Use a tree diagram to solve word problems like the one in this video! Class members can watch and learn how to find and count possible outcomes (or outfits)....
Instructional Video5:19
Curated OER

What is a Literal Equation?

6th - 12th
Have you ever heard of a literal equation? You might already know of a few! As this video explains, literal equations have multiple variables that often represent known values. Watch the video to learn more!