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7th grade Solve a proportion worksheet

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Solve a proportion

Grade 7 Math Worksheet

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

  1. Zee's hiking club walks 10 miles in 4 hours at a steady pace. How many miles do they walk in 6 hours?

  2. Ari's class printer prints 60 pages in 8 minutes and hums the whole time. How many pages does it print in 12 minutes?

  3. Tala's pancakes use 4 cups of flour for every 10 cups of milk. How many cups of flour go with 15 cups of milk?

  4. Bo's class garden has 10 pea plants for every 8 bean plants. How many pea plants go with 12 bean plants?

  5. 6 : 4 = 15 : ?. The ? is the number to find. Milo's paper-heart chain keeps one ratio of red hearts to pink hearts all the way along. Which number goes in the box?

  6. 14 : 10 = 21 : ?. The ? is the number to find. Jun's orange drink keeps the same ratio of orange juice to water in every pitcher. Which number goes in the box?

  7. 15 : 9 = 20 : ?. The ? is the number to find. Ren reads at a steady speed, so the ratio of minutes to pages never changes. Which number goes in the box?

  8. 15 : 6 = 20 : ?. The ? is the number to find. Luz's oatmeal cookies keep the same ratio of cups of oats to cups of nuts in every batch. Which number goes in the box?

  9. Read this first

    Use the table

    hoursmiles
    442
    6?
    884
  10. Zee rides a bike trail at a steady speed. The table shows hours and miles. How many miles go with 6 hours?

  11. Tala's bean plant grows at a steady rate. The table shows days and inches. How many inches does it grow in 18 days?

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7th grade Solve a proportion worksheet – printable
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About this worksheet

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

What your child will learn

  • 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

Words to know

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.

Common mistakes

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.

What to say

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?

Questions parents ask

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.

More grade 7 math

See all grade 7 math

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