# Let's Learn Number System & Ratios

### Created By ; Kayla Rincon & Lauren Carpenter

Colin Dodds - Number Types (Math Song)

Super Base (WSHS Math Rap Song)

Flocabulary - Order of Operations - PEMDAS

## Positive and Negative number lines

## Positive and Negitaves

Positive numbers go to the left and negative numbers go to the right of zero. Positive numbers are above zero. Negative numbers are below zero.

Adding and Subtracting Positives and Negatives Rap

## Long Division and division operations

Long Division by Mr. Duey

## Ratios

## Percent Ratios

96/100=96% that is how you would write a percent ratio.

## Rates

A rate is a special ratio in which the two terms arein different units. For example, if a 12-ounce can of corn costs 69¢, the rate is 69¢ for 12 ounces.

Ratio Rap