Ratios Rates Unit Rates Proportions

Which of these best describes a unit rate?

• a unit of measure

• a fraction with a numerator of one

• a fraction with a denominator of one

• a proportion

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

Solve the proportion

unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

If a car travels 300 miles in 5 hours, what is the unit rate of miles per hour?

• 60 miles/hour

• 55 miles/hour

• 65 miles/hour

• 75 miles/hour

What is a rate for this graph?

• 20 minutes per 6 miles

• 60 minutes per 12 miles

• 80 minutes per 24 miles

• 100 minutes per 24 miles

If you can buy 12 apples for $6, what is the unit price per apple?

• $0.50 per apple

• $1.00 per apple

• $0.25 per apple

• $2.00 per apple

A tank can be filled with water at a rate of 150 liters in 3 minutes. What is the unit rate of liters per minute?

• 50 liters/minute

• 60 liters/minute

• 40 liters/minute

• 45 liters/minute

There are 12 boys and 16 girls in a class. What is the ratio of girls to total students?

• 4/7

• 3/4

• 3/7

• 4/3

A recipe calls for 2 cups of sugar for every 3 cups of flour. What is the unit rate of cups of sugar to cups of flour?

• 1 cup of sugar per cup of flour

• 2 cups of sugar per cup of flour