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. Ren rewrites a star-card problem as an addition: 12 - (-7) = 12 + ?. What number goes in place of the ?

  4. Zee says subtracting is the same as adding the opposite. Which sum equals 4 - (-7)?

    • 4 + 7
    • 4 + (-7)
    • (-4) + (-7)
    • (-4) + 7
  5. Esme checks the porch thermometer: 6°F at noon and -9°F at midnight (brrr). How many degrees warmer was noon than midnight?

  6. 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?

  7. 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?

  8. 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?

  9. The distance between two numbers is the absolute value of their difference. Tala wants the distance between -6 and 9. What is |(-6) - 9|?

  10. Bo rings a bell for the next distance question. What is |5 - 23|, the distance between 5 and 23?

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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. Ren rewrites a star-card problem as an addition: 12 - (-7) = 12 + ?. What number goes in place of the ?

    7
  4. Zee says subtracting is the same as adding the opposite. Which sum equals 4 - (-7)?

    • 4 + 7
    • 4 + (-7)
    • (-4) + (-7)
    • (-4) + 7
  5. Esme checks the porch thermometer: 6°F at noon and -9°F at midnight (brrr). How many degrees warmer was noon than midnight?

    15
  6. 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
  7. 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
  8. 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
  9. The distance between two numbers is the absolute value of their difference. Tala wants the distance between -6 and 9. What is |(-6) - 9|?

    15
  10. Bo rings a bell for the next distance question. What is |5 - 23|, the distance between 5 and 23?

    18