Ratios and Proportions

Front

What is a ratio?

Back

A comparison of two units.

Front

Two ratios that are equal are called...

Back

Proportions.

Front

Unit rates are...

Back

Ratios whereby the amount given is per 1 unit.

Front

What is a variable?

Back

A lowercase letter that represents an unknown.

Front

Which is an example of a complex fraction?

Back

Front

What is the ratio of 3 to 4?

Back

3:4.

Front

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

Back

2:3.

Front

How do you simplify the ratio 8:12?

Back

Divide both sides by 4 to get 2:3.

Front

What is a proportion?

Back

An equation that states that two ratios are equal.

Front

If 5 apples cost $2, what is the unit rate?

Back

$0.40 per apple.