Integers Ex-6.2

NCERT solutions for Maths Integers 

NCERT Solutions for Class 6 Maths Integers

Class –VI Mathematics

(Ex. 6.2)

Question 1.Using the number line write the integer which is:

(a) 3 more than 5

(b) 5 more than –5

(c) 6 less than 2

(d) 3 less than –2

Answer:

(a) 8

(b) 0

(c) –4

(d) –5

Question 2.Use number line and add the following integers:

(a) 9 + (–6)

(b) 5 + (–11)

(c) (–1) + (–7)

(d) (–5) + 10

(e) (–1) + (–2) + (–3)

(f) (–2) + 8 + (–4)

Answer:

(a) 9 + (–6) = 3

(b) 5 + (–11) = –6

(c) (–1) + (–7) = –8

(d) (–5) + 10 = 5

(e)(–1) + (–2) + (–3) = –6

(f)(–2) + 8 + (–4) = 2

NCERT Solutions for Class 6 Maths Exercise 6.2

Question 3.Add without using number line:

(a) 11 + (–7)

(b) (–13) + (+18)

(c) (–10) + (+19)

(d) (–250) + (+150)

(e) (–380) + (–270)

(f) (–217) + (–100)

Answer:

(a) 11 + (–7) = 11 – 7 = 4

(b) (–13) + 18 = 5

(c) (–10) + (+19) = –10 + 19 = 9

(d) (–250) + (+150) = –250 + 150 = –100

(e) (–380) + (–270) = –380 – 270 = –650

(f) (–217) + (–100) = –217 v 100 = –317

Question 4.Find the sum of:

(a) 137 and –354

(b) –52 and 52

(c) –213, 39 and 192

(d) –50, –200 and 300

Answer:

(a) 137 + (–354) = 137 – 354 = –217

(b) (–52) + 52 = 0

(c) (–312) + 39 + 192 = –312 + 231 = –81

(d) (–50) + (–200) + 300 = –50 – 200 + 300 = –250 + 300 = 50

NCERT Solutions for Class 6 Maths Exercise 6.2

Question 5.Find the value of:

(a)(–7) + (–9) + 4 + 16

(b)37 + (–2) + (–65) + (–8)

Answer:

(a) (–7) + (–9) + 4 + 16

= –7 – 9 + 4 + 16

= –16 + 20

= 4

(b) 37 + (–2) + (–65) + (–8)

= 37 – 2 – 65 – 8

= 37 – 75

= –38