Write y = kx for a steady rate

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. Read this first

   Use the table

   cups of flour	cups of sugar
   3	2
   6	4
   9	6

2. 1.

   Bo bakes cookies with flour and sugar. The table shows cups. Let f be flour and c be sugar. What number goes in the blank of c = 2/3 × f?

3. 2.

   Jun's printer prints at a steady speed. The table shows minutes and pages. Let x be minutes and y be pages. What number goes in the blank of y = 3 × x?

4. 3.

   Kira scoots 5 miles each hour. Let h be hours and d be miles. Which equation matches?

   • d = h + 5
   • d = 5h
   • h = 5d
5. 4.

   Bo's recipe uses 3 cups of flour for each batch. Let x be batches and y be cups of flour. Which equation matches?

   • y = x + 3
   • x = 3y
   • y = 3x
6. 5.

   Zee's hose fills 4 gallons each minute. Let u be minutes and g be gallons. Which equation matches?

   • u = 4g
   • g = u + 4
   • g = 4u
7. 6.

   Esme's snail crawls 3 feet each minute. Let u be minutes and f be feet. What equation gives f for any u?

   f = 3u
8. 7.

   Noah's faucet drips 2 cups each hour. Let h be hours and c be cups. What equation gives c for any h?

   c = 2h
9. 8.

   Pia bikes 8 miles each hour. Let h be hours and d be miles. What equation gives d for any h?

   d = 8h

10. Use the table

    bags	stickers
    3	15
    4	20
    6	30

11. 9.

    Milo puts stickers in party bags. The table shows bags and stickers. Let x be bags and y be stickers. What equation gives y for any x?

    y = 5x
12. 10.

    Luz's garden circle runs at a steady rate. The table shows minutes and gallons. Let u be minutes and g be gallons. What equation gives g for any u?

    g = 6u