Using circumference to find a circle's area. Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.

This lesson will show how to solving 3 linear equations, by going through each example with step by step instructions.

This lesson will explain multiplication by making a grid.

This lesson will go through solving two linear equations solved to music with a step by step look.

Easy trick for making change. Subtract a penny from both amounts.

This lesson will look at a word problem's given information about a Car rental unit pricing,estimate, use proportions, algebra.

This lesson will use Animation to decide if numbers are odd or even?

Locating integers and non-integers on the number line

Using the number line to add numbers

Moving left on the number line

What happens when you add negative numbers?

Turns out it's addition!