Unit rates with fractions

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Luz washes 5/8 square meter of a classroom window in 1/2 hour, squeaking all the way. How many square meters does Luz wash in 1 hour?

   1 1/4
2. 2.

   A storm fills Jun's rain barrel with 1/2 gallon in 1/8 hour. How many gallons fill the barrel in 1 hour?

   4
3. 3.

   Zee stands a stick that is 1/2 foot tall in the sun. Its shadow is 3/4 foot long. How many feet of shadow go with 1 foot of stick?

   1 1/2
4. 4.

   Kira stands a stick that is 3/4 foot tall in the late sun. Its shadow is 7/8 foot long. How many feet of shadow go with 1 foot of stick?

   1 1/6
5. 5.

   Milo measures a short pole that is 3/4 foot tall. At noon its shadow is 5/8 foot long. How many feet of shadow go with 1 foot of pole?

   5/6
6. 6.

   Ari reads 3/4 chapter of a mystery in 3 days, with snack breaks. How much of a chapter does Ari read in 1 day? How many days does 1 chapter take?

   1/4, 4
7. 7.

   Esme's leaky circle fills 1/2 cup of water in 6 minutes. How many cups of water fill in 1 minute? How many minutes does 1 cup take?

   1/12, 12
8. 8.

   Ari's water-bottle filler pours 1/2 cup of water in 3/4 minute. Which sentence gives the unit rate?

   • 2/3 minute for each cup of water
   • 2/3 cup of water for each minute
   • 3/2 cups of water for each minute
   • 1/2 cup of water for each minute
9. 9.

   Pia walks 1 mile in 3/10 hour on a smooth path. Which sentence gives the unit rate?

   • 1 mile for each hour
   • 10/3 miles for each hour
   • 10/3 hours for each mile
   • 3/10 mile for each hour
10. 10.

    Esme bikes 9 miles in 3/4 hour on a trail, passing three very polite geese. How many miles does Esme bike in 1 hour?

    12