Concept of Unit Rate

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

It costs $5 to buy 2 pounds of fish tank gravel. What is the unit rate in dollars per pound?

• 5/2 dollars per pound
• 2/5 dollars per pound
• 3 dollars per pound
• 2 dollars per pound

Joshua can walk 6 km in 85 minutes. What is his unit rate in km per minute?

• 85/6 km per minute
• 6/85 km per minute
• 79 km per minute
• 14 km per minute

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour
• $6 per hour
• $6.80 per hour
• $17.40 per hour

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Malik earns $7 for 2 hours of work. Which of the below unit rates match this statement? Match ALL that apply.

• 7/2 dollars per hour

• 2/7 dollars per hour

• 7/2 hours per dollar

• 2/7 hours per dollar

What has to be true about a unit rate?

• It must be written as a fraction.

• It must be written as a decimal.

• It is always "per" one thing.

• It is used to measure area in square units.

If you have the ratio of $30 to 5 hours of work, what operation will you use to find a unit rate?

• Addition

• Subtraction

• Multiplication

• Division