RD Sharma Solutions -Ex-1.8 & 1.9 Knowing Our Numbers, Class 6, Maths Class 6 Notes | EduRev

RD Sharma Solutions for Class 6 Mathematics

Created by: Abhishek Kapoor

Class 6 : RD Sharma Solutions -Ex-1.8 & 1.9 Knowing Our Numbers, Class 6, Maths Class 6 Notes | EduRev

The document RD Sharma Solutions -Ex-1.8 & 1.9 Knowing Our Numbers, Class 6, Maths Class 6 Notes | EduRev is a part of the Class 6 Course RD Sharma Solutions for Class 6 Mathematics.
All you need of Class 6 at this link: Class 6

Exercise 1.8

Q1. Write the expression for each of the following statements using brackets :

i) Four multiplied by the sum of 13 and 7

ii) Eight multiplied by the difference of four from nine.

iii) Divide the difference of twenty eight and seven by 3.

The sum of 3 and 7 in multiplied by the difference of twelve and eight.

Sol : i)4 x ( 13 + 7 )

ii)8 x ( 9 – 4 )

iii)28−73

iv) ( 3 + 7 ) x ( 12 – 8 )


Q2. Simplify each of the following :

i)124 – ( 12 – 2 ) x 9

ii) ( 13 + 7 ) x ( 9 – 4 ) – 18

iii) 210 – ( 14 – 4 ) x ( 18 + 2 ) – 10

Sol : i) 34

ii) 82

iii) 0

 

Exercise 1.9

Q1) Simplify each of the following :

i) 7 x 109

ii) 6 x 112

iii) 9 x 105

iv) 17 x 109

v) 16 x 108

vi) 12 x 105

vii) 102 x 103

viii) 101 x 105

ix) 109 x 107

Sol : i) 763

ii) 672

iii) 945

iv) 1853

v) 1728

vi) 1260

vii) 10506

viii)10605

ix)11663

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