Unit Rates: Grade 6 Math Quiz – PDF Download

This quiz has 10 multiple-choice questions on unit rates, unit price, constant speed, and better buys. Pick one answer per question, then read the explanation to see the correct reasoning and the mistake behind each wrong choice.

Grade 6Common Core: 6.RP.A.2 · 6.RP.A.3b

🎯 Unit Rates – Grade 6 math quiz

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Question 1

A car travels 150 miles in 3 hours. What is the unit rate?

150 miles in 3 hours.

A 450 miles per hour

B 50 miles per hour

C 147 miles per hour

D 0.02 miles per hour

Question 2

Six notebooks cost $9.00. What is the price of one notebook?

Price tag for 6 notebooks.

A $54.00

B $1.50

C $3.00

D $0.67

Question 3

A 4-pack of juice costs $5.20 and a 6-pack costs $7.50. Which is the better buy?

A 4-pack, $1.30 per bottle

B 4-pack, because $5.20 is less

C 6-pack, $1.25 per bottle

D Both cost the same per bottle

Question 4

Which of these is a unit rate?

A $5 for 2 pounds

B $7.50 for 3 pounds

C $10 for 4 pounds

D $2.50 per pound

Question 5

A train travels at a constant 60 miles per hour. How far does it go in 2.5 hours?

60 miles in 1 hour.

A 62.5 miles

B 24 miles

C 120 miles

D 150 miles

Question 6

A pump moves 4 gallons per minute. How long does it take to move 30 gallons?

A 7.5 minutes

B 120 minutes

C 26 minutes

D 0.13 minutes

Question 7

Jamal types 135 words in 3 minutes. How many words does he type per minute?

A 45 words per minute

B 405 words per minute

C 132 words per minute

D 0.02 words per minute

Question 8

Which cereal has the lowest unit price?

Three cereal sizes.

A 12 oz for $2.40

B 32 oz for $6.40

C 20 oz for $3.80

D All three cost the same per ounce

Question 9

Mei earns $63 for 7 hours of work. At the same rate, how much does she earn in 12 hours?

A $75

B $84

C $108

D $5.25

Question 10

Sofia drives 3 hours at 60 mph and then 2 hours at 45 mph. What is her average speed for the trip?

A 54 mph

B 52.5 mph

C 105 mph

D 270 mph

🎉 Quiz complete!

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Remember:

A rate compares two quantities with different units; a unit rate has a second quantity of 1.
Find a unit rate by dividing the first quantity by the second.
A unit price is a unit rate that gives cost per item or per unit of measure.
The better buy is the option with the lower unit price when the units match.
At constant speed, distance equals rate times time.

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Unit Rates: Grade 6 Math Quiz – PDF Download

🎉 Quiz complete!

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