Subtract positive and negative whole numbers

Grade 7 Math Worksheet

NameDate

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

  1. Kira balances a math puzzle on the scales. What is (-14) - 9?

  2. Luz rings a bell for a bonus question. What is 17 - (-8)?

    Use the picture in question 1.

  3. Noah writes the next problem on the board. What is 21 - 34?

    Use the picture in question 1.

  4. Esme checks the porch thermometer: 6°F at noon and -9°F at midnight (brrr). How many degrees warmer was noon than midnight?

  5. Jun watches a gull fly 25 m above the water while a fish swims at -8 m. How many meters higher is the gull than the fish?

  6. Monday's low was -15°F and Tuesday's low was -4°F, a two-scarf kind of week for Luz. How many degrees colder was Monday's low than Tuesday's?

  7. A penguin dives to -18 m, while its friend stands on an ice shelf 7 m above the water. Milo asks how far apart the two are. What is the distance in meters?

  8. Noah's tent is at -12 m and a desert trail starts at -30 m (below sea level is negative). How far is the tent from the trail start?

  9. Ren's sled stops 14 m up a snowy hill. The top is 36 m up. How far is the sled from the top?

  10. Zee learns that distance is the absolute value of a difference. What is |(-20) - 12|, the distance between -20 and 12?

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Subtract positive and negative whole numbers

Answer Key - Grade 7 Math Worksheet

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

  1. Kira balances a math puzzle on the scales. What is (-14) - 9?

    -23
  2. Luz rings a bell for a bonus question. What is 17 - (-8)?

    Use the picture in question 1.

    25
  3. Noah writes the next problem on the board. What is 21 - 34?

    Use the picture in question 1.

    -13
  4. Esme checks the porch thermometer: 6°F at noon and -9°F at midnight (brrr). How many degrees warmer was noon than midnight?

    15
  5. Jun watches a gull fly 25 m above the water while a fish swims at -8 m. How many meters higher is the gull than the fish?

    33
  6. Monday's low was -15°F and Tuesday's low was -4°F, a two-scarf kind of week for Luz. How many degrees colder was Monday's low than Tuesday's?

    11
  7. A penguin dives to -18 m, while its friend stands on an ice shelf 7 m above the water. Milo asks how far apart the two are. What is the distance in meters?

    25
  8. Noah's tent is at -12 m and a desert trail starts at -30 m (below sea level is negative). How far is the tent from the trail start?

    18
  9. Ren's sled stops 14 m up a snowy hill. The top is 36 m up. How far is the sled from the top?

    22
  10. Zee learns that distance is the absolute value of a difference. What is |(-20) - 12|, the distance between -20 and 12?

    32