INDIAN SCHOOL MUSCAT – MIDDLE SECTION – DEPARTMENT OF MATHEMATICS – TERM :01 ( 2017 – 18 ) NAME OF THE STUDENT : DATE : 23. 04. 17
CLASS : 8 SEC :
SUB: MATHEMATICS
TOPIC: RATIONAL NUMBERS
S.NO
WORKSHEET NO:01
MCQ
ANSWER
8 3
5
1 1 d) 3 3 7 1 3 7 3 The product of additive inverse of 2 and is ______ a) b) 1 c) d) 3 3 7 3 7 11 4 4 5 The rational number which is in the standard form is ___ a) b) c) d) 13 28 5 7 7 2 is _____ The reciprocal of a) 1 b) -1 c) 0 d) not defined 9 9 7 4 6 3 1 9 Addition of and multiplicative inverse of 2 is ____ a) b) c) d) 13 13 13 13 13 5
S.NO
FILL IN THE BLANKS
1 2 3 4
6 7 8 9 10
S.NO
15
The sum of additive inverse and multiplicative of 3 is _____ a)
b)
8 3
c)
ANSWER
5 2 The multiplicative inverse of is __________ 8 16 4 13 The property under multiplication used in = 1 is __________ 4 13
15 14 and the multiplicative inverse of is __________ 15 7 3 _________ is to be multiplied with to get 3. 2 8 7 The sum of and reciprocal of is ________ 7 8 The quotient of
ANSWER THE FOLLOWING QUESTIONS QUESTIONS Simplify each of the following by using suitable property:
3 14 7 7 4 a) + + 11 11 9 9 11
5 3 5 2 5 b) + - 8 2 8 4 8
1 3 7 3 2 1 c) + 7 7 10 6 14 5
d)
1 2 3 1 2 1 e) - + 14 9 14 9 9 7
1 3 1 5 4 2 4 _ 4 5 + 4