Grade 7 · Math

7th grade Solve a proportion worksheet

6 printable versionsChallenge Me10 questions · answer keyFree · no account

Level: Building Confidence · On Level · Challenge Me

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Solve a proportion

Grade 7 Math Worksheet - Challenge Me

NameDate

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

Luz's cookie recipe uses 3/4 cup of sugar with 1/2 cup of butter. How many cups of sugar go with 3 cups of butter?
Noah power-walks 3 miles in 3/4 hour around the lake. At that pace, how many miles does Noah walk in 7/2 hours?
Pia mixes 2/3 cup of white paint with 1/3 cup of blue for a sky. How many cups of white go with 7 cups of blue?
Ari jogs 3/4 mile in 1/6 hour at a steady pace. How many miles does Ari jog in 2/3 hour?
Esme's printer prints 48 pages in 6 minutes. At that speed, how many more pages does it print in 10 minutes than in 6 minutes?
Bo's garden hose fills 18 gallons in 4 minutes. How many more gallons does it fill in 10 minutes than in 4 minutes?
Tala uses 3/5 cup of sugar for each pitcher of lemonade. How many pitchers can Tala make with 3 cups of sugar?
Jun's circle fills 5/2 gallons each minute while a duck watches. How many minutes does it take to fill 5 gallons?
10 : ? = 4 : 14. The ? is the number to find. Zee walks at a steady speed, so the ratio of hours to miles never changes. Which number goes in the box?
8 : 12 = ? : 21. The ? is the number to find. Ren's cocoa keeps the same ratio of scoops of cocoa mix to cups of milk in every pot. Which number goes in the box?

Solve a proportion. Every version has 10 questions, and the answer key prints on the second page.

I can find a missing number in a proportion, whichever column or slot it is in.
I can do it when the numbers are not simple multiples, or when they are fractions: 3/4 cup for 1/2 cup is 4 1/2 cups for 3 cups.
I can tell when a question asks for "how many more" and finish the job.

Standard: 7.RP.A.3 (partial), 7.RP.A.2

proportion: Two ratios that are equal, like 3 : 4 = 9 : 12.

ratio table: A table whose rows all say the same ratio. Multiply or divide a whole row by one number.

the 1 row: The row whose first number is 1. Its second number is the amount for 1.

multiplier: The number you multiply a whole row by to get another row.

unknown: The number we are looking for. The box or the ? stands for it.

Your child added the same amount to both columns instead of multiplying.

Your child divided by the amount for 1 where they needed to multiply by it.

Your child multiplied the two amounts but skipped making the 1 row.

Ask: if the recipe doubles, what happens to every ingredient?

Ask: if 1 hour gives 3 miles, how many miles do 5 hours give?

Ask: how much is that for exactly 1 first?

What is the most common mistake with solve a proportion?

Your child added the same amount to both columns instead of multiplying.

How can I help my child with solve a proportion?

Ask: if the recipe doubles, what happens to every ingredient?

Are these 7th grade math worksheets free to print?

Yes. All 6 printable versions at each level are free to print, with the answer key, and no account is needed.

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