Question

Fill in the blanks

i) 18×____ = 23×18
ii)39×84 =_____ ×39
iii) odd number + odd number =_______
iv) even number + even number = _______
v) 3526+ 100 = ________
vi) 6109 +_________ = 6119
vii) (1008 + 999) +1066 =______+ (999 +1066)
viii) ( 4375 + 1625) + 1595 = (1625 + _______) + 1595
ix) 9× _______ =72
x) in 6 dozen oranges there are _______ oranges ​

Answer 1

i) 18 × 23 = 23 × 18

ii) 39 × 84 = 84 × 39

iii) odd number + odd number = even number

iv) even number + even number = even number

v) 3526 + 100 = 3626

vi) 6109 + 10 = 6119

vii) (1008 + 999) + 1066 = 1008 + (999 + 1066)

viii) ( 4375 + 1625) + 1595 = (1625 + 4375 ) + 1595

ix) 9 × 8 = 72

x) in 6 dozen oranges there are 72 oranges ​

[1 dozen = 12 ⇒ 12×6 = 72]

Answer 2

Answer:

1. 23

2. 84

3.odd or even number

4. even number

5.3626

6.10

7.1008

8. 4375

9. 8

10. 72