Selina Concise Class 7 Math Chapter 1 Integer Exercise 1B Solution

Selina Concise Class 7 Math Chapter 1 Integer Exercise 1B Solution

EXERCISE 1B

(1) Divide:

(2) Evaluate:

(3) Find the quotient in each of the following divisions:

(4) Divide:

(5) State, true or false:

(i) True

(ii) True

(iii) False

(iv) False

(6) Evaluate:

(i) 42 ÷ 7 + 4

= 6 + 4

= 10

(ii) 12 + 18 ÷ 3

= 12 + 6

= 18

(iii) 19 – 20 ÷ 4

= 19 – 5

= 14

(iv) 16 – 5 × 3 + 4

= 16 – 15 + 4

= 1 + 4

= 5

(v) 6 – 8 – (- 6) ÷ 2

= – 2 + 6 ÷ 2

= – 2 + 3

= 1

(vi) 13 – 12 ÷ 4 × 2

= 13 – 3 × 2

= 13 – 6

= 7

(vii) 16 + 8 ÷ 4 – 2 × 3

= 16 + 2 – 6

= 16 – 4

= 12

(viii) 16 ÷ 8 + 4 – 2 × 3

= 2 + 4 – 6

= 6 – 6

= 0

(ix) 16 – 8 + 4 ÷ 2 × 3

= 8 + 2 × 3

= 8 + 6

= 14

(x) (- 4) + (- 12) ÷ (- 6)

= – 4 + 2

= – 2

(xi) (- 18) + 6 ÷ 3 + 5

= – 18 + 2 + 5

= – 18 + 7

= – 11

(xii) (- 20) × (- 1) + 14 ÷ 7

= 20 + 2

= 22


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