Grade 8 - Rational Numbers Worksheet 2
1. 7⁄6 lies in between 1⁄3 and 3⁄2. Mark True / False.
a) True b) False
2. The multiplicative inverse of -2⁄3 is 3⁄2. Mark True / False.
a) True b) False
3. If a⁄b is the additive inverse of x⁄y, then a⁄b + x⁄y = 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. 33⁄5 + 27⁄4 = _____.
a) 53⁄9 b) 83⁄20
c) 21⁄20 d) 77⁄20
12. Multiplicative inverse of -21⁄7.
a) 7⁄21 b) 21⁄7
c) -7⁄21 d) None of these
13. Calculate -5⁄9 ÷ 31⁄3.
a) 3⁄6 b) -1⁄6
c) -5⁄27 d) -50⁄27
14. Find the additive inverse of -117⁄5 is_____________.
a) 117⁄5 b) 115⁄7
c) -117⁄5 d) None of these
15. Find 0 ÷ -73⁄8, we get _____.
a) -60⁄8 b) 0
c) -73⁄8 d) Does not exist
16. Calculate product of rational number -5⁄13 and its additive inverse, we get ____.
a) 15⁄169 b) 1
c) None of these d) -25⁄169
17. Sum of two rational number is 0, if one of them is -7⁄6, then other is ____.
a) 7⁄6 b) -6⁄7
c) -7⁄6 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 12⁄5, then other is_____.
a) 5⁄12 m b) -5⁄12
c) -12⁄5 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
If you want to download the above worksheet, please click below link.
Rational Numbers Worksheet-2Download the pdf
Rational Numbers Worksheet - 1
Rational Numbers Worksheet - 2
Rational Numbers Worksheet - 3
Rational Numbers Worksheet - 4
Answer Sheet
Rational-Numbers-AnswerDownload the pdf
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