Multiply and divide positive and negative whole numbers

Answer Key - Grade 7 Math Worksheet

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

1. 1.

   Milo balances a math puzzle on the scales. What is (-6) × 9?

   -54
2. 2.

   Zee finds a challenge in the math book. What is (-7) × (-12)?

   84
3. 3.

   Esme finds a division in the math book. What is (-91) ÷ (-7)?

   13
4. 4.

   Luz's balloon rises 4 m each minute, a rate of 4 m per minute. Six minutes ago is minute -6. Where was the balloon 6 minutes ago, compared with now? (Up is positive.)

   -24
5. 5.

   Milo's sled climbs a hill at 5 m per minute. Seven minutes ago is minute -7. Where was the sled 7 minutes ago, compared with now? (Up is positive.)

   -35
6. 6.

   Noah watches a whale sink 2 m each minute, a rate of -2 m per minute. Five minutes ago is minute -5. Where was the whale 5 minutes ago, compared with now? (Up is positive.)

   10
7. 7.

   Ren watches a whale dive 5 m each minute, a rate of -5 m per minute. It is now 45 m deeper, a change of -45 m. For how many minutes has it dived?

   9
8. 8.

   Tala's balloon sinks 5 m each minute, a rate of -5 m per minute. Earlier it was 40 m higher than now. How many minutes from now was that? (Past times are negative.)

   -8
9. 9.

   Zee says a negative sign in front of a quotient can move inside. Which expression equals -(24 ÷ 8)?

   • 8 ÷ (-24)
   • (-24) ÷ 8
   • 24 ÷ 8
   • (-24) ÷ (-8)
10. 10.

    Bo says a negative sign in front of a quotient can move inside. Which expression equals -(56 ÷ 7)?

    • 56 ÷ 7
    • 7 ÷ (-56)
    • (-56) ÷ (-7)
    • (-56) ÷ 7