NCERT Solutions for Class 6 Mathematics Chapter 6 integers Exercise 6.3

Exercise 6.3

---

Ex-6.1
Ex-6.2
Ex-6.3

---

Q 1 - Ex 6.3 - Integers - NCERT Maths Class 6th - Chapter 6

Page No 131:

Question 1:

Find:
(a) 35 − (20) (b) 72 − (90)
(c) (− 15) − (− 18) (d) (− 20) − (13)
(e) 23 − (− 12) (f) (− 32) − (− 40)

Answer:

(a) 35 − 20 = 15
(b) 72 − 90 = −18
(c) −15 − (−18) = − 15 + 18 = 3
(d) − 20 − 13 = −33
(e) 23 − (−12) = 23 + 12 = 35
(f) (−32) − (−40) = −32 + 40 = 8

---

Q 2 - Ex 6.3 - Integers - NCERT Maths Class 6th - Chapter 6

Question 2:

Fill in the blanks with >, < or = sign.
(a) (− 3) + (− 6) _____ (− 3) − (− 6)
(b) (− 21) − (− 10) _____ (− 31) + (− 11)
(c) 45 − (− 11) _____ 57 + (− 4)
(d) (− 25) − (− 42) _____ (− 42) − (−25)

Answer:

(a) (−3) + (−6) = −9
(−3) − (−6) = − 3 + 6 = 3
−9 < 3
Hence, (− 3) + (− 6)  (− 3) − (− 6)
(b) − 21 − (−10) = − 21 + 10 = −11
− 31 + (−11) = −42
−11 > −42
(−21) − (−10)  (−31) + (−11)
(c) 45 − (−11) = 45 + 11 = 56
57 + (−4) = 57 − 4 = 53
56 > 53
45 − (−11) 57 + (−4)
(d) (−25) − (−42) = − 25 + 42 = 17
− 42 − (−25) = − 42 + 25 = −17
17 > −17
(−25) − (−42)  (−42) − (−25)

---

Q 3 - Ex 6.3 - Integers - NCERT Maths Class 6th - Chapter 6

Question 3:

Fill in the blanks.
(a) (− 8) + _____ = 0
(b) 13 + _____ = 0
(c) 12 + (− 12) = _____
(d) (− 4) + _____ = − 12
(e) _____ − 15 = − 10

Answer:

(a) − 8 + 8 = 0
(b) 13 +  = 0
(c) 12 + (−12) = 
(d) − 4 + (−8) = −12
(e) 5 − 15 = −10

---

Q 4 - Ex 6.3 - Integers - NCERT Maths Class 6th - Chapter 6

Question 4:

Find:
(a) (− 7) − 8 − (− 25)
(b) (− 13) + 32 − 8 − 1
(c) (− 7) + (− 8) + (− 90)
(d) 50 − (− 40) − (− 2)

Answer:

(a) − 7 − 8 − (−25) = − 7 − 8 + 25 = − 15 + 25 = 10
(b) (−13) + 32 − 8 − 1 = − 13 + 32 − 8 − 1 = 32 − 22 = 10
(c) (−7) + (−8) + (−90) = − 7 − 8 − 90 = −105
(d) 50 − (−40) − (−2) = 50 + 40 + 2 = 92