NCTB Class 6 Math Chapter Three Exercise 3.2 Solution

NCTB Class 6 Math Chapter Three Exercise 3.2 Solution by Math Expert. Bangladesh Board Class 6 Math Solution Chapter 3 “Integers” Exercise 3.2 Solution.

Board	NCTB
Class	6
Subject	Mathematics
Chapter	3
Chapter Name	“Integers”
Exercise	3.2 Solution

Exercise:- 3.2

(1) Use number line and add the following:

(2) Add without using number line:

Solution:-  (2) (a) 11 + (-7)

= 11-7

= 6

Solution:-  (2) (b) (-13) + (+18)

= -13 +18

= 5

Solution:- (2) (c) (-10) + (+19)

= -10+19

= 9

Solution:-  (2) (d) (-1)+ (-2)+ (-3)

= -1-2-3

= -6

 (3) Add:

Solution:-  (3) (a) 137+ (-35)

= 137-35

= 102  (Answer)

Solution:- (3) (b) (52)+(52)

= -52+52

= 0 (Answer)

Solution:- (3) (c) -31+39+19

= 8+19

= 27 (Answer)

Solution:- (3) (d) -50+ (-200) + 300

= -50-200+300

= -250+300

= 50 (Answer)

(4) Find the sum:

Solution:- (4) (a) (-7) + (-9) + 4+16

= -7-9+4+16

= -16+4+16

= 4 (Answer)

Solution:-  (4) (b) (37)+ (-2) + (-65) + (-8)

= 37-2-65-8

= 35-65-8

= -38 (Answer)