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## Selina Concise Mathematics Class 6 ICSE Solutions Chapter 6 Negative Numbers and Integers

**Selina Publishers Concise Mathematics Class 6 ICSE Solutions Chapter 6 Negative Numbers and Integers**

### Negative Numbers and Integers Exercise 6 – Selina Concise Mathematics Class 6 ICSE Solutions

Question 1.

Fill in the blanks :

(i) Negative of -20 is ……….

(ii) Negative of 0 is …………

(iii) Negative of 8 is ………..

(iv) If 10 represents gain of ₹ 10, then -10 represents …………..

(v) If going south is negative then going north is …………

(vi) Because 5 < 7, therefore -5 ……….. -7. (vii) If 3 > -2, then 3 is on the ………….. of -2.

(viii) If -8 < -6, then -8 is on the …………. of-6.

Solution:

Question 2.

Use a number line to write the following integers in ascending (increasing) order :

(i) -5, 8, 0, -9, 4, -14 and 12

(ii) -6, 7, 0, -9, 5 and 9

Solution:

Question 3.

Use a number line to write the following integers in descending (decreasing) order :

(i) -10, 0, 3, -4, 12, 11, -1 and 5

(ii) -4, 3, -8, -12, -7 and 6.

Solution:

Question 4.

Add:

(i) 13 and 15

(ii) -13 and 15

(iii) 13 and -15

(iv) -13 and -15

Solution:

Question 5.

Add:

(i) 259 from 214

(ii) -528 and -243

(iii) -623 and 326

(iv) 258 and -473

(v) -622 and -254

(vi) 257 and -254

Solution:

Question 6.

Subtract :

(i) 5 from 8

(ii) -5 from 8

(iii) 4 from -7

(iv) -8 from -2

(v) -3 from 12

(vi) -6 from -3

Solution:

Question 7.

Subtract:

(i) -123 from 453

(ii) -78 from -12

(iii) 329 and -124

(iv) -222 from 0

Solution:

Question 8.

Using a number line, find the integer which is :

(i) 3 more than -1

(ii) 5 less than 2

(iii) 5 more than -9

(iv) 4 less than -4

(v) 7 more than 0

(vi) 7 less than -8

Solution: