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# Grade 8 - Rational Numbers Worksheet 2

1. 76 lies in between 13 and 32. Mark True / False.

a) True                     b) False

2. The multiplicative inverse of -23 is 32. Mark True / False.

a) True                     b) False

3. If ab is the additive inverse of xy, then ab + xy = 0. Mark True / False.

a) True                     b) False

4. For every rational number n, n + 1 = n. Mark True / False.

a) True                     b) False

5. If A + B = 0, then −B is known as the negative of A, where a and B are rational numbers. Mark True/False.

a) True                     b) False

6. For all rational numbers m and n, m − n = n − m. Mark True / False.

a) True                     b) False

7. For every rational numbers A, B and C, A + (B × C) = (A + B) × (A + C). Mark True / False.

a) True                     b) False

8. 1 is the only number which is its own reciprocal. Mark True / False.

a) True                     b) False

9. For rational numbers p and q, if p < y, then p − y is a positive rational number. Mark True / False.

a) True                     b) False

10. −1 is not the reciprocal of rational number. Mark True / False.

a) True                     b) False

11. 335 + 274 = _____.

a) 539                   b) 8320
c) 2120                  d) 7720

12. Multiplicative inverse of -217.

a) 721                    b) 217
c) -721                   d) None of these

13. Calculate -59 ÷ 313.

a) 36                      b) -16
c) -527                   d) -5027

14. Find the additive inverse of -1175 is_____________.

a) 1175                  b) 1157
c) -1175                 d) None of these

15. Find 0 ÷ -738, we get _____.

a) -608                   b) 0
c) -738                   d) Does not exist

16. Calculate product of rational number -513 and its additive inverse, we get ____.

a) 15169                      b) 1
c) None of these        d) -25169

17. Sum of two rational number is 0, if one of them is -76, then other is ____.

a) 76                    b) -67
c) -76                    d) None of these

18. Reciprocal of a negative number is ____________.

a) Negative                  b) Positive
c) Does not exist          d) None of these

19. Product of two rational number is 1, if one number is 125, then other is_____.

a) 512 m                  b) -512
c) -125 m                 d) None of these

20. If 12 shirts of equal size can be made from 30m of cloth, how much cloth is needed for making one shirt?

a) 2.5 m                 b) 1.2 m
c) 3 m                    d) 4 m

Rational Numbers Worksheet - 1

Rational Numbers Worksheet - 2

Rational Numbers Worksheet - 3

Rational Numbers Worksheet - 4