Question

Name the properties used in the following equations:-

i) 1+(4+3) = (1+4) + 3

ii) 5(a+b) = 5a +5b

iii) a +0=0+a= a

$5 \: \times \frac{1}{5} = \frac{1}{5} \times 5 = 1$
Write the missing number.

i) 2+(___+4)= (2+6) + 4

ii) 7 + (4 + 2) = 13, so (74) + 2 =____
iii) 9 x (3 x 4) = 108, so (9 x 3) x 4 = _____
iv) 5x (8 x 9) = (5x ____) x 9

( class 9)

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Answer 1

1(i)Associative Property of Addition

(ii) Distributive Property of Multiplication

(iii) Additive Identity

2(i)6

(ii) 13

(iii) 108

(iv) 8

Answer 2

1. Associate property over addition.
2. Distributive property
3. Commutative property.

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1. 6.
2. 13.
3. 108.
4. 8

Step-by-step explanation:

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