Graph a steady rate and read it

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Kira's printer prints 45 pages in 6 minutes. The line through (0, 0) has minutes across (x) and pages up (y). Which point has x = 10, written as (x, y)?

   (10, 75)
2. 2.

   Pia's bathtub fills 14 gallons in 4 minutes. The line through (0, 0) has minutes across (x) and gallons up (y). Which point has x = 6, written as (x, y)?

   (6, 21)
3. 3.

   Snow falls at a steady rate outside Zee's window, and the sled is ready. The graph shows hours and inches of snow. How many inches fall in 6 hours?

   4 1/2
4. 4.

   The line through (0, 0) passes through every row. Ren waters the school garden at a steady rate. The table shows minutes and gallons. How many gallons go with 10 minutes?

   25
5. 5.

   Tala reads with y = 7x ÷ 3, where x is minutes and y is pages. Which point on the graph has x = 9, written as (x, y)?

   (9, 21)
6. 6.

   Noah's walk graph is a line through (0, 0), with hours across and miles up. It passes through (1, 5/2). What does the point (1, 5/2) tell?

   • 7/2 miles for 1 hour.
   • 5/2 miles for 1 hour.
   • 1 mile for 5/2 hours.
7. 7.

   Ren paints bedroom walls. The graph is a line through (0, 0), with walls across and cans of paint up. It passes through (1, 2/3). What does (1, 2/3) tell?

   • 1 can of paint for 2/3 wall.
   • 5/3 cans of paint for 1 wall.
   • 2/3 can of paint for 1 wall.
8. 8.

   Ari's bathtub fills at a steady rate. The graph is a line through (0, 0), with minutes across and gallons up. What does the point (0, 0) tell?

   • Some gallons are already there at the start.
   • Each 1 minute gives 0 gallons.
   • With 0 minutes, there are 0 gallons.
9. 9.

   Snow falls at a steady rate on Jun's sled. The graph is a line through (0, 0), with hours across and inches up. What does the point (0, 0) tell?

   • Each 1 hour gives 0 inches.
   • Some inches are already there at the start.
   • With 0 hours, there are 0 inches.
10. 10.

    Bo reads a comic at a steady pace. The graph is a line through (0, 0), with minutes across and pages up. What does the point (0, 0) tell?

    • Some pages are already there at the start.
    • With 0 minutes, there are 0 pages.
    • Each 1 minute gives 0 pages.