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

   hours	miles
   2	10
   3	15
   4	20

2. 1.

   Kira scoots at a steady speed. The table shows hours and miles. Let h be hours and d be miles. What number goes in the blank of d = 5 × h?

3. 2.

   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?

4. 3.

   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?

5. 4.

   Ari packs apples into bags. The table shows bags and apples. Let x be bags and y be apples. What number goes in the blank of y = 1 1/2 × x?

6. 5.

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

   • d = 5h
   • h = 5d
   • d = h + 5
7. 6.

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

   • g = u + 4
   • g = 4u
   • u = 4g
8. 7.

   Luz reads 2 pages each minute. Let x be minutes and y be pages. Which equation matches?

   • x = 2y
   • y = 2x
   • y = x + 2
9. 8.

   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
10. 9.

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

    d = 8h

11. Use the table

    bags	stickers
    3	15
    4	20
    6	30

12. 10.

    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