Do you know how to graph a linear equation? If you do then graphing an inequality will not be a problem for you. There are a couple of differences: is the line solid or dashed, and which half plane do you have to shade. Watch this video...

Learn an easy trick to help you multiply by 9 in this short video. A student shows us a "handy" way to solve multiplication by counting fingers. She completes two examples to show the viewers her strategy.

Two students have a conversation about the least common multiple (LCM) and greatest common factor (GCF). They briefly describe and give examples of how to find both the LCM and GCF. Note: The dialogue may be difficult to understand,...

What a great resource! Two learners lead viewers through the process of finding the area of a trapezoid. It's a visual approach that your class is bound to remember.

A middle school students shows us how to accurately copy a polygon on a piece of paper. He uses a compass, ruler, and pencil in order to copy the correct angles and lines. This is a great video to engage your students at the beginning of...

When you have a hole in a graph it means that both the numerator and denominator equaled 0 in an equation. So what does that mean? Learners can brush up on this graphing concept and feel OK when they realize a hole in a graph is just a...

Have your class learn how to solve equations using this video. In a step-by-step method, this film shows how to solve a problem involving multiplication, division and parentheses.

Sal uses numeric expansion to show the process of subtracting four-digit numbers. For example, he expands the number 6004 and writes it as 6000+0+0+4 and 2678 as 2000+600+70+8. When he regroups, viewers will be able to see the actual...

Provide your class with a developmentally sound way to view four-digit subtraction. Sal uses strong visual aids to show what each step in the subtraction process literally represents. Everyone will be able to see the mathematical process...

Taking a closer look at addition and subtraction using simple problems, a math video explores the terminology used to describe these processes. The instructor uses visual means to describe what these processes entail. Use it as a way to...

Sal provides a series of numbers for viewers to consider. They must attempt to identify the number pattern and predict the next two numbers in the sequence. The video contains various problems involving place value and pattern...

Have your class work through a series of exercises focused on number patterns with place value. Present each problem, allow your class to work through each one, and then show them what Sal did to solve each problem. Every problem is...

Through a review of reading and writing numbers to 10,000, learners explore this key concept. The instructor also leads a discussion of number progression. By using visual cues and brilliant colors, Sal makes it easy to understand how to...

By working through word problems involving subtraction, using numbers in the hundreds, the instructor uses visual cues to help viewers understand how to solve the problem. The instructor's method for solving the problem involves graphics...

Using a visual approach to understanding place value, a video on Singapore Math quizzes viewers on material learned about number sense. The instructor takes a large number and breaks it down, identifying the values in the thousands,...

By identifying numbers of greater and lesser value using a visual approach, a helpful video takes a deeper look at place value. It would be a great way to solidify concepts for those who learn visually. Using bright colors and grouping...

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...

This presentation covers the basic definition of exponents, raising something to the exponent zero, simplifying negative exponents, multipling powers of the same base, and dividing powers with the same base. The presenter then...

The laws of exponents are explained in this video. Topics include raising something to the zero power, rewriting an expression that has a negative number as an exponent, multiplying powers with the same base, raising a power to a...

Here is a video on simplifying radical expressions where the presenter starts with simplifying simple square roots, and quickly develops into looking at more complicated problems. He covers simplifying a variable raised to a power...

This video starts with the basics and shows how to simplify monomials. First, it defines what a monomial is, then gives examples of monomials, evaluates integers raised to a power, and multiplies monomials with the same base....

The basic rules of exponents are covered here. After defining an exponent, the presentation covers the following rules and shows examples of multiplying powers with the same base, simplifying monomials that are multiplied, raising a...

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...

Here is a basic video on scientific notation. The presenter defines scientific notation for very large and very small numbers. Then he shows how to convert numbers to scientific notation, and how to do the reverse by converting from...