Steady change that starts above zero

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. 1.

   Each 1 more week adds 3. Ari measures a plant (it leans toward the window). The table shows one row and the change. How tall was the plant at the start, at 0 weeks?

   6
2. 2.

   Each 1 more book adds 4. Bo stacks books on a tray (the top one wobbles). The table shows one row and the change. How tall is the tray alone, with 0 books?

   5
3. 3.

   Each 1 more minute adds 2. Esme fills a bucket from a circle (it drips). The table shows one row and the change. How many liters were in the bucket at the start, at 0 minutes?

   3
4. 4.

   Each 1 more hour adds 6. Jun knits a scarf (the yarn ball rolls away). The table shows one row and the change. How long was the scarf at the start, at 0 hours?

   20

5. Read this first

   Use the table

   days	stickers
   2	14
   3	19
   4	24

6. 5.

   Kira collects star stickers (one sparkles). How many stickers does Kira collect each day?

   5
7. 6.

   Milo bikes away from home (a squirrel keeps up). How many miles farther away does Milo get each hour?

   12
8. 7.

   Noah measures a plant (it leans toward the window). Rule: y = 4x + 7, with x in weeks and y in cm. What is y when x is 5?

   27
9. 8.

   Pia fills a bucket from a circle (it drips). Rule: y = 3x + 2, with x in minutes and y in liters. What is y when x is 3?

   11
10. 9.

    Snow falls on Ren's street (the snowman shivers). Rule: y = 2x + 5, with x in hours and y in inches. What is y when x is 6?

    17
11. 10.

    Zee reads an adventure book (the bookmark is tired). Zee has read 24 pages and reads 30 pages each hour. How many pages has Zee read after 3 hours?

    114