Simplify the Opposite of Perfect Square Roots with Variables

This video explains how to simplify the opposite of square roots of perfect square variable expressions.

The Distributive Property with Negative Integers

This video explain the formal method and shortcut method for distributing negative integers over addition and subtraction.

Solve the One-Step Linear Equations -x=-2 and 4=-y

This video explains how to solve a basic linear equation in the form -x = a.

Absolute Value Application: Distance from Sea Level (Elevation)

This video uses elevation above and below sea level to introduce the idea of absolute value.

Create a Scatter Plot to Support a Claim (Common Core Math 7/8 Ex 6)

This video explains how to create a scatter plot to support the claim of a study.

Determine Equivalent Expressions (Common Core Math 7/8 Ex 7)

This video explains how to determine which expressions are equivalent.

Ex: Solve sin(x)=a Using a Calculator (negative a)

This video explains how to solve a basic trigonometric equation on the interval [0,2pi) using a calculator.