Unit rates with fractions

Answer Key - Grade 7 Math Worksheet - Challenge Me

Circle the best answer, or write your answer on the line.

1. 1.

   Zee walks 4/5 mile in 3/10 hour on a nature trail. What is the unit rate, in miles per hour?

   2 2/3
2. 2.

   Jun's sink fills with 5/6 gallon of water in 3/4 minute while the radio plays. What is the unit rate, in gallons per minute?

   1 1/9
3. 3.

   Bo paints 5/8 square meter of a garden fence in 2/3 hour, humming off key. What is the unit rate, in square meters per hour?

   15/16
4. 4.

   With 60 minutes in 1 hour. Kira walks 3/4 mile in 20 minutes at a steady pace. There are 60 minutes in 1 hour. How many miles per hour is that?

   2 1/4
5. 5.

   Row 1 | ?, row 2/3 | ? Esme's school printer prints 9 pages in 1/3 minute. At the same speed, how many pages does it print in 2/3 minute?

   18
6. 6.

   Row 1 | ?, row 5 | ? Snow falls steadily on Milo's snowman: 1/2 inch in 2/3 hour. At the same rate, how many inches of snow fall in 5 hours?

   3 3/4
7. 7.

   Row 1 | ?, row 2 | ? Tala catches 1/3 cup of water from a drip in 3/4 hour. At the same rate, how many cups of water drip in 2 hours?

   8/9
8. 8.

   Ari times two toy robots on the kitchen floor. Robot A walks 3/4 foot in 1/3 minute. Robot B walks 2/3 foot in 1/4 minute. Which robot is faster?

   • Robot A
   • They are the same
   • Robot B
9. 9.

   Kira checks two leaky faucets. Faucet A drips 1/2 cup in 3/4 hour. Faucet B drips 1/3 cup in 1/3 hour. Which faucet drips faster?

   • Faucet A
   • Faucet B
   • They are the same
10. 10.

    Noah times two scooters. Scooter A goes 1/2 mile in 1/12 hour. Scooter B goes 3/5 mile in 1/6 hour. Which scooter is faster?

    • They are the same
    • Scooter B
    • Scooter A