Ratios and Proportions

Front

Unit rates are...

Back

ratios whereby the amount given is per 1 unit

Front

What is a ratio?

Back

A comparison of two units

Front

What is the ratio of strawberries to the total if there are 20 strawberries and 35 grapes?

Back

20:55

Front

Two ratios that are equal are called...

Back

proportions

Front

What is a variable?

Back

A lowercase letter that represents an unknown

Front

What is a proportion?

Back

An equation that states two ratios are equal.

Front

How do you find a unit rate?

Back

Divide the first quantity by the second quantity.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

2:3

Front

What does it mean if two ratios are equivalent?

Back

They represent the same relationship between quantities.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.