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.

   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?

4. 3.

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

   • d = 5h
   • h = 5d
   • d = h + 5
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?

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

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

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

   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
8. 7.

   Ren's printer prints 6 pages each minute. Let x be minutes and y be pages. What equation gives y for any x?

   y = 6x
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

    hours	miles
    2	8
    3	12
    5	20

11. 9.

    Tala hikes at a steady pace. The table shows hours and miles. Let h be hours and d be miles. What equation gives d for any h?

    d = 4h
12. 10.

    Zee's bean plant grows at a steady rate. The table shows weeks and inches. Let x be weeks and y be inches. What equation gives y for any x?

    y = 3x