Steady change that starts above zero

Answer Key - Grade 7 Math Worksheet

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

1. Read this first

   Use the table

   weeks	cm
   2	10
   5	19
   8	28

2. 1.

   Esme measures a plant (it leans toward the window). How tall was the plant at the start, at 0 weeks?

   4
3. 2.

   Snow falls on Jun's street (the snowman shivers). How many inches of snow were on the ground at the start, at 0 hours?

   4
4. 3.

   Luz reads an adventure book (the bookmark is tired). How many pages had Luz read at the start, at 0 hours?

   26
5. 4.

   Milo measures a plant (it leans toward the window). How many cm does the plant grow each week?

   3
6. 5.

   Noah plays a quiz game (the buzzer is loud). How many points does Noah earn each round?

   5
7. 6.

   Ren bikes away from home (a squirrel keeps up). Ren is 5 miles from home and bikes 12 miles farther away each hour. How many miles from home is Ren after 3 hours?

   41
8. 7.

   Tala lets out string for a kite (it tugs). 6 meters of string are out and 4 more meters go out each minute. How many meters of string are out after 6 minutes?

   30

9. Use the table

   days	stickers
   1	9
   2	15
   3	21

10. 8.

    Ari collects star stickers (one sparkles). Which rule gives y (x in days and y stickers)?

    • y = 6x
    • y = 9x
    • y = 6x + 3
    • y = 3x + 6
11. 9.

    Bo knits a scarf (the yarn ball rolls away). Which rule gives y (x in hours and y in cm)?

    • y = 10x
    • y = 8x + 2
    • y = 2x + 8
    • y = 8x
12. 10.

    Jun plays a quiz game (the buzzer is loud). How many points does Jun earn each round?

    5