Add positive and negative whole numbers

Answer Key - Grade 7 Math Worksheet - Building Confidence

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

1. 1.

   Ari's robot beeps proudly. It starts at -4 on a number line and rolls 9 right, then 6 left. Where does the robot stop?

   -1
2. 2.

   Esme's toy car starts at -6 on a number line. It rolls 2 right, then zooms 9 right. Where does the car stop?

   5
3. 3.

   Luz pulls a puzzle card from the math club jar. The card says (-3) + 8 + (-7). What is the sum?

   -2
4. 4.

   Milo writes a puzzle on the whiteboard, then caps the marker with a flourish. What is 6 + (-9) + 5?

   2
5. 5.

   Noah's pencil is almost a stub after all this practice. What is (-2) + (-5) + (-4)?

   -11
6. 6.

   Pia opens the math book to a page of number puzzles. What is (-8) + 3 + 9?

   4
7. 7.

   After two tricky questions, Tala's quiz team has -6 points. What score on the next question brings the team back to 0 points?

   6
8. 8.

   Zee's sled sits at the top of a small hill, 8 m above the bottom (0 m). What change in height, as a positive or negative number, takes the sled down to the bottom?

   -8
9. 9.

   Ari's kite climbs 8 meters on a gust, then drops 8 meters when the wind takes a nap. What is the total change in the kite's height?

   0
10. 10.

    Bo watches the school thermometer. The temperature fell 9 degrees by dawn, then rose 9 degrees by noon. What was the total change in temperature?

    0