Unit Rate

A grocery store clerk can scan 1 product every 1/2 of a second. At what rate can she scan products?

_____ products per second

• 1/2 products per second

• 2 products per second

• 1/2 seconds per product

• 2 seconds per product

A top swimmer would be able to swim across a 25-meter pool in about 1/5 of a minute. How fast can a top swimmer go?

______ meters per minute

• 125 meters per minute

• 5 meters per minute

• 125 minutes per meter

• 5 minutes per meter

With some species of bamboo, you can actually see them grow. You could observe 30 centimeters of growth in just 1/3 of a day. At what rate does this bamboo grow?

____centimeters per day

• 90 day per cm

• 10 cm per day

• 90 cm per day

• 10 day per cm

A seed sprouted and grew 2/3 of a foot in 3 months. What was its rate of growth?

____ feet per month

• 3 months per ft

• 2/9 months per ft

• 2/9 ft per month

• 3 ft per month

An airplane cruises 1 kilometer in 1/12 of a minute. What is its cruising speed?

_____kilometers per minute

• 12 minutes per kilometer

• 1 minute per kilometer

• 1 kilometer per minute

• 12 kilometer per minute

Sparkle Cleaners uses 2/3 of a jug of window cleaner in 4 weeks. How much window cleaner do they use in 1 week?

_____ jugs per week

• 1/6 of a jug

• 6 jugs

• 1/3 of a jug

• 3 jugs

A motorcycle zoomed along the freeway, traveling 10 meters in 1/3 of a second. How fast was it going?

_____ meters per second

• 3 seconds per meter

• 30 seconds per meter

• 30 meters per second

• 3 meters per second

Mrs. Jefferson's famous peanut butter cookies call for 1 cup of peanut butter for every 1/2 of a cup of oil. Today, she wants to make a huge batch with 1 cup of oil. How much peanut butter should she use?

____ cups of peanut butter

• 2 cups

• 1/2 cup

A school janitor has mopped 1/3 of a classroom in 5 minutes. At what rate is he mopping?

____classrooms per minute

____ minutes per classroom

Choose both options

• 1/15 minutes per classroom

• 1/15 of a classroom per minute

• 15 classrooms per minute

• 15 minutes per classroom

The Cooper family uses up a 1/2-gallon jug of milk every 3 days. At what rate do they drink milk?

gallons per day

• 1/6 gallons per day

• 1/6 days per gallon

• 1 and 1/2 days per gallon

• 6 gallons per day