Grade 7 - Integers Worksheet 2

1. The product of a positive and negative integer is positive. Mark True / False.

a) True b) False

2. The product of two negative integers is a positive integer. Mark True / False.

a) True b) False

3. The product of five negative integers is a positive integer. Mark True / False.

a) True b) False

4. Multiplicative inverse of an integer is −1. Mark True / False.

a) True b) False

5. Multiplicative identity of an integer is 1. Mark True / False.

a) True b) False

6. (−525) x 0 = _____.

a) −525 b) 525
c) 0 d) None of these

7. (−5) x 11 = _____.

a) 55 b) −55
c) 50 d) −45

8. (−25) x 1 x (−1) = _____.

a) 25 b) −1
c) −25 d) None of these

9. What will be the sign of the product if we multiply 60 negative integers and 5 positive integers?

a) Negative b) Positive
c) Both a and b d) None of these

10. (−5) x (−4) x (−6) = _____.

a) 120 b) 24
c) −120 d) None of these

11. What will be the sign of the product if we multiply 75 negative integers and 10 positive integers?

a) Negative b) Positive
c) Both a and b d) None of these

12. (−1) x (−1) x (−1) x ... 100 times is equal to −100, mark True / False.

a) True b) False

13. (−90) x ____ = 450.

a) 5 b) 45
c) 9 d) −5

14. (−12) x ____ = 12.

a) 0 b) 1
c) −1 d) None of these

15. (−5) x (−7) = (−7) x ____.

a) −5 b) 5
c) −7 d) 7

16. (−5) x {(−4) + (−3)} = (−5) x (−4) + ____ x (−3).

a) 5 b) −5
c) 4 d) −3

17. (−8) x {___ + (−5)} = (−8) x 7 + (−8) x (−5).

a) −5 b) −7
c) −8 d) 7

18. If a = −10, b = −12 and c = 7, then a x (b + c) = _____.

a) −50 b) 50
c) −70 d) None of these

19. Multiplicative inverse of −1 is equal to _____.

a) 1 b) 2
c) 0 d) −1

20. {(-5) x 6} x (-7) = ___ x {6 x (-7)}

a) 5 b) 7
c) −5 d) 6

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Integers Worksheet - 1