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. Milo draws a challenge card from the jar. What is (-12) - (-20)?

    Use the picture in question 1.

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

    Use the picture in question 1.

  5. Pia rewrites a subtraction from the math book as an addition: (-9) - (-16) = (-9) + ?. What number goes in place of the ?

  6. Tala rewrites a puzzle as an addition: (-15) - 8 = (-15) + ?. What number goes in place of the ?

    Use the picture in question 5.

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

  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. Milo draws a challenge card from the jar. What is (-12) - (-20)?

    Use the picture in question 1.

    8
  4. Noah writes the next problem on the board. What is 21 - 34?

    Use the picture in question 1.

    -13
  5. Pia rewrites a subtraction from the math book as an addition: (-9) - (-16) = (-9) + ?. What number goes in place of the ?

    16
  6. Tala rewrites a puzzle as an addition: (-15) - 8 = (-15) + ?. What number goes in place of the ?

    Use the picture in question 5.

    -8
  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. Zee learns that distance is the absolute value of a difference. What is |(-20) - 12|, the distance between -20 and 12?

    32
  10. Bo rings a bell for the next distance question. What is |5 - 23|, the distance between 5 and 23?

    18