Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you solve for a missing value in a ratio?

Back

To solve for a missing value in a ratio, set up a proportion and cross-multiply to find the unknown.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If 5 movie tickets cost $45, what is the cost per ticket?

Back

$9

Front

Find the missing value: 2: x = 4: 8. What is x?

Back

x = 4.

Front

What is the formula for finding a unit rate?

Back

Unit rate = Total quantity / Number of units.

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

The ratio of flour to sugar is 2:3.

Front

How do you find a missing value in a ratio table?

Back

Use equivalent ratios to find the missing value by setting up a proportion.

Front

What is the missing number in the ratio table: 4: x = 12: 36?

Back

x = 12.

Front

If 3 apples cost $6, how much do 5 apples cost?

Back

$10.