Worksheet

Add positive and negative whole numbers

Grade 7 Math Worksheet - Challenge Me

NameDate

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

  1. Pia smells a shortcut on this puzzle card. What is 27 + (-45) + (-27) + 16?

  2. Tala writes a puzzle for the class board, grinning a little. What is 19 + (-56) + 31 + (-19)?

  3. In a robot video game, Zee scores -44, -15, 44 and 37 points in four levels. Trap levels cost points. What is Zee's total score?

  4. Ari's quiz team scores 33, 18, -60 and -33 points in four rounds. Wrong answers cost points. What is the team's total score?

  5. Kira's kite rises 42 meters, then sinks 19 meters. What change in height, as a positive or negative number, brings the kite back down to the ground?

  6. At dawn, Milo's thermometer read -16°F. It rose 24 degrees by 3 p.m., fell 13 by 9 p.m., then fell 6 more by midnight. What was the temperature at midnight?

  7. At 8 p.m. it was -9°F at Tala's campsite. By midnight it fell 7 degrees, by 3 a.m. 5 more, and by 6 a.m. 3 more. What was the temperature then?

  8. Ari's kite is 15 m up. It climbs 18 m, then drops 18 m, so the total change in height is 0. What does the 0 mean?

    • The kite is 36 m higher than at the start, after both changes
    • The kite is on the ground.
    • The kite never moved at all.
    • The kite is back at 15 m, where it started.

  9. Bo reads -12°F at 6 a.m. It rises 11 degrees by noon, then falls 11 by night, a total change of 0. What does the 0 mean?

    • It is 0°F at night.
    • It is -12°F again at night, as at 6 a.m.
    • The temperature never changed all day.
    • It is 22 degrees warmer than at 6 a.m.

  10. Esme watches a penguin at -20 m. It dives 14 m deeper, then swims up 14 m, so its total change is 0. What does the 0 mean?

    • The penguin is 28 m deeper than at the start.
    • The penguin stayed still the whole time.
    • The penguin is back at -20 m.
    • The penguin is at the surface.
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Add positive and negative whole numbers

Answer Key - Grade 7 Math Worksheet - Challenge Me

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

  1. Pia smells a shortcut on this puzzle card. What is 27 + (-45) + (-27) + 16?

    -29

  2. Tala writes a puzzle for the class board, grinning a little. What is 19 + (-56) + 31 + (-19)?

    -25

  3. In a robot video game, Zee scores -44, -15, 44 and 37 points in four levels. Trap levels cost points. What is Zee's total score?

    22

  4. Ari's quiz team scores 33, 18, -60 and -33 points in four rounds. Wrong answers cost points. What is the team's total score?

    -42

  5. Kira's kite rises 42 meters, then sinks 19 meters. What change in height, as a positive or negative number, brings the kite back down to the ground?

    -23

  6. At dawn, Milo's thermometer read -16°F. It rose 24 degrees by 3 p.m., fell 13 by 9 p.m., then fell 6 more by midnight. What was the temperature at midnight?

    -11

  7. At 8 p.m. it was -9°F at Tala's campsite. By midnight it fell 7 degrees, by 3 a.m. 5 more, and by 6 a.m. 3 more. What was the temperature then?

    -24

  8. Ari's kite is 15 m up. It climbs 18 m, then drops 18 m, so the total change in height is 0. What does the 0 mean?

    • The kite is 36 m higher than at the start, after both changes
    • The kite is on the ground.
    • The kite never moved at all.
    • The kite is back at 15 m, where it started.

  9. Bo reads -12°F at 6 a.m. It rises 11 degrees by noon, then falls 11 by night, a total change of 0. What does the 0 mean?

    • It is 0°F at night.
    • It is -12°F again at night, as at 6 a.m.
    • The temperature never changed all day.
    • It is 22 degrees warmer than at 6 a.m.

  10. Esme watches a penguin at -20 m. It dives 14 m deeper, then swims up 14 m, so its total change is 0. What does the 0 mean?

    • The penguin is 28 m deeper than at the start.
    • The penguin stayed still the whole time.
    • The penguin is back at -20 m.
    • The penguin is at the surface.