Solve a proportion

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. 1.

   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?

   20
2. 2.

   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?

   20
3. 3.

   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?

   21
4. 4.

   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?

   30
5. 5.

   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?

   20
6. 6.

   Jun's printer prints 40 pages in 5 minutes at a steady speed. How many pages does it print in 12 minutes?

   96
7. 7.

   Ari makes a banner with 12 blue stars for every 4 yellow stars. How many blue stars go with 10 yellow stars?

   30
8. 8.

   Luz's smoothie uses 12 strawberries for every 3 bananas (the blender is very loud). How many strawberries go with 7 bananas?

   28
9. 9.

   3 : 6 = 9 : ?. The ? is the number to find. Zee's pencil case keeps the same ratio of pencils to pens in every pack. Which number goes in the box?

   18
10. 10.

    2 : 12 = 8 : ?. The ? is the number to find. Luz's lemonade keeps the same ratio of lemons to cups of water in every pitcher. Which number goes in the box?

    48