Negative Numbers Quiz

1. What is −3 + 7?

1. -10
2. -4
3. 10
4. 4

2. What is 5 − 9?

1. -1
2. -4
3. 14
4. 4

3. What is −6 − 4?

1. -10
2. -2
3. 10
4. 2

4. What is −3 × 4?

1. -12
2. -7
3. 12
4. 7

5. What is −5 × −3?

1. -15
2. -8
3. 15
4. 8

6. Which is colder: −8°C or −3°C?

1. -3°C
2. -8°C
3. Cannot be compared
4. They are the same

7. What is −20 ÷ 4?

1. -5
2. -80
3. 5
4. 80

8. What is −12 ÷ −3?

1. -1
2. -4
3. 36
4. 4

9. The temperature was −4°C. It rises by 11°C. What is the new temperature?

1. -15°C
2. -7°C
3. 15°C
4. 7°C

10. What is 3 − (−5)?

1. -2
2. -8
3. 2
4. 8

11. Put these in order, smallest first: −1, 4, −7, 0, 3

1. −1, −7, 0, 3, 4
2. −7, −1, 0, 3, 4
3. 0, −1, −7, 3, 4
4. 4, 3, 0, −1, −7

12. What is −(−9)?

1. -18
2. -9
3. 0
4. 9

13. A submarine is at −120 m. It rises 45 m. What is its new depth?

1. -165 m
2. -75 m
3. 165 m
4. 75 m

14. What is −4²? (Note: this means −(4²), not (−4)²)

1. -16
2. -8
3. 16
4. 8

15. What is (−4)²?

1. -16
2. -8
3. 16
4. 8

16. A bank account has £−30 (overdrawn). £50 is deposited. What is the new balance?

1. -£20
2. -£80
3. £20
4. £80

17. What is −2 + (−6) + 10?

1. -18
2. -4
3. 18
4. 2

18. What is the difference between −15 and 8?

1. -23
2. -7
3. 23
4. 7

19. Which expression equals a negative result?

1. (−2)²
2. (−3) × (−4)
3. −(−7)
4. 20 ÷ (−5)

20. Solve: −3x = 15

1. x = −45
2. x = −5
3. x = 45
4. x = 5