Grade 7 · Math

7th grade Solve a proportion worksheet

6 printable versionsBuilding Confidence10 questions · answer keyFree · no account

Level: Building Confidence · On Level · Challenge Me

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Solve a proportion

Grade 7 Math Worksheet - Building Confidence

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

With the arrow × 4 beside both columns. Milo mixes 3 cups of blue paint with 5 cups of white. The next table row is × 4, giving 12 cups of blue. How many cups of white go with them?
With the arrow × 5 beside both columns. Esme stirs 2 cups of flour into 4 cups of milk. The next table row is × 5, giving 10 cups of flour. How many cups of milk go with them?
With the arrow × 3 beside both columns. Tala folds 4 yellow paper stars for every 7 blue stars (with glitter everywhere). The next table row is × 3, giving 12 yellow stars. How many blue stars go with them?
With the arrow × 6 beside both columns. Jun plants 2 sunflowers for every 5 bean plants. The next table row is × 6, giving 12 sunflowers. How many bean plants go with them?
Kira's hiking club walks 6 miles in 3 hours at a steady pace (one backpack gets heavy). How many miles do they walk in 10 hours?
Jun's printer prints 40 pages in 5 minutes at a steady speed. How many pages does it print in 12 minutes?
Bo bakes 18 cookies with 2 cups of flour for the school bake sale. How many cookies can Bo bake with 5 cups of flour?
Ari makes a banner with 12 blue stars for every 4 yellow stars. How many blue stars go with 10 yellow stars?
Noah's garden has 6 tomato plants for every 3 pepper plants. How many tomato plants go with 11 pepper plants?
3 : 10 = 12 : ?. The ? is the number to find. Kira reads at a steady speed, so the ratio of pages to minutes never changes. 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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