Class 8 Maths Rational Numbers

INDIAN SCHOOL MUSCAT – MIDDLE SECTION – DEPARTMENT OF MATHEMATICS – TERM :01 ( 2017 – 18 ) NAME OF THE STUDENT : DATE : ...

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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