INDIAN SCHOOL MUSCAT – MIDDLE SECTION – DEPARTMENT OF MATHEMATICS – TERM:01( 2019 – 20 ) CLASS :8
SUBJECT: MATHEMATICS
TOPIC: RATIONAL NUMBERS
WORKSHEET NUMBER:01
DATE :30.04.2019
S.N O
QUESTIONS
1
The sum of a rational number and its additive inverse is equal to ____________
2
Write the multiplicative inverse of
3
Check whether 2
4 5
2 3 . 10 5
1 is the multiplicative inverse of 2.2. 3 13 5 Find the product of and the additive inverse of . 15 26 2 4 Show on the number line. 5 15 4 1 3 1 8 7 8 7
6
Write the additive inverse of
7
Write four rational numbers between
8
Divide the sum of 5
9
By what number should 5
10
What should be subtracted from
11
Simplify:
2 3 and . 3 4
5 2 and 2 by their difference. 12 3 1 11 be divided to get ? 2 8 1 7 2 to get ? 12 3 6
6 3 24 14 7 12 30
5 8 16 4 5 15 3 5 3 3 7 iii) 2 4 2 2 6
Simplify by using suitable property: i) 12
13
The sum of two rational numbers is -3 .If one of them is
14
The product of two rational numbers is
15
Find the area of a square park with each side 8
3 5 5 4 9 9 15 10 2 3 1 3 3 iv) 5 7 14 7 5
ii)
10 , find the other number. 3
28 4 .If one of them is , find the other number. 27 9 1 m. 2
