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...

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...

Bring interest to your lesson on adding fractions with different signs by using this Khan Academy video. Sal employs a number line to explain how he adds multiple fractions with different signs. This resource could be used as an...

If your class has watched the Khan Academy video on recognizing divisibility, they will have a good foundation for this video on finding factors. Sal demonstrates how to find factors of a number by using the divisibility rules and...

This video will demonstrate adding mixed numbers. Sal explains that adding mixed numbers can be done by looking at the whole number separately from the fraction. Because his explanation is brief, this video would be great as a supplement...

Sal explains proper and improper fractions. He labels each part of the fractions using different colors. Note: This video is ideal for those who need a quick refresher on the definitions of proper and improper fractions. It is not a...

Another way to organize data beyond the stem and leaf plot - the histogram - is the focus of this lesson. Sal's objective is to introduce viewers to these methods of organization, making them familiar and straightforward, so students can...

Dividing fractions! This clip begins with fraction circles described as parts of a whole, shows the actual fractions that represent the images, then defines what reciprocal means. Example problems employing the use of a reciprocal show...

Trapezoids can be tricky! Break down the process of finding the area of a trapezoid with an engaging math video. Learners explore area formula and shown exactly how to plug in information, solve, and simplify. 

Your young mathematicians can solve this problem along with Sal. They will add 4/9 and 11/12 by finding a number that evenly divides both 9 and 12. Sal fully explains the process of finding a common denominator in an evident and...

Having a good number sense is key to understanding place value. This video clearly explains the place values that comprise a decimal number. It is a very straightforward presentation and would be appropriate for grades three, four, or...

All you need are a few values to find the the volume of a cone! Watch an informative math video that guides learners through the formula needed, as well as the relationship between the cone's volume and the volume of other...

Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...

Instruct your pupils on solving inequalities by multiplying by positive numbers with this video. The video presents how to do just this in step-by-step fashion. A straightforward video, this could be used to supplement your lesson during...

Using indirect measurement, this video shows viewers how to find the height of a flagpole. The lecturer employs drawings as well as proportions to solve this problem, explaining each step. A useful resource to aid struggling learners and...

Cover the least common multiple with this tutorial. A decent video that shows the steps necessary for finding the least common multiple among 3 numbers, this resource could prove useful in or out of class. You might give this to learners...

Pupils who view this tutorial will gain a better understanding of how to rotate a figure around the origin of a coordinate plane. This video covers how to rotate clockwise and counterclockwise to achieve the same purpose. Show this video...

Cover the least common multiple with this tutorial. A decent video that shows the steps necessary for finding the least common multiple among three numbers, this resource could prove useful in or out of class. You might give this to...

Pupils who view this tutorial will gain a better understanding of how to rotate a figure around the origin of a coordinate plane. This video covers how to rotate clockwise and counterclockwise to achieve the same purpose. Show this video...

This clip demonstrates the process by which an individual can multiply whole numbers. The numbers are stacked vertically then multiplied one at a time. Academic vocabulary is used throughout.

One of the strongest tools an algebra learner develops is the ability to quickly and accurately graph almost any given function. Often doing this quickly and accurately requires rigid transformations to a parent function,...

This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...

This tutorial video will show you how to get rid of that radical in the denominator and rationalize your fraction! Great for in-class or at-home use, this video could be used to supplement a lesson or clarify radicals, rationalizing, and...

A simple video on how to identify the endpoints of a line segment. Have your class watch this video to clarify any confusions about endpoints. This could be used as extra help for learners who are having difficulty, or as a supplement to...