### Fraction Application – Surface Area and Weight of a Tank

This video provides an example of fractions operations that involves determine the surface area and weight of a tank.

### Fraction Application – Determining Horsepower

This video provides an application of fraction operations involving determining the horsepower of an motor.

### Ex: Builder’s Level Application – Decimal Addition and Subtraction

This video explains how a builder’s level is used to determine elevation. The application problem involves addition and subtraction of decimals.

### Ex: Property of Definite Integral Addition

This video provides two examples of the property of adding definite integrals.

### Ex: Property of Definite Integral Subtraction

This video provides an example of the property of subtracting definite integrals.

### Model Addition of Two Digit Whole Numbers Using Base Ten Blocks

This video explains addition of two digit whole numbers by using base ten blocks.

### Model Addition of Three Digit Whole Numbers Using Base Ten Blocks

This video explains addition of three digit whole numbers by using base ten blocks.

### SAT Math (Algebra and Functions) – Practice 1.3

The video provides an explanation of a practice SAT math question involving algebra and functions.  View or download the practice questions at http://www.ck12.org

### Complex Number Operations on the TI-84

This video provides examples on how to add, subtract, multiply, and divide complex number on the TI-84.  It also provides examples of raising i to powers.

### Ex 1: Solving a Two Step Equation with Fractions – NOT Clearing the Fractions

This video solves a two step equation with fractions by leaving the fractions in the equation and solving just like any other two step equation.