PRACTICE QUESTIONS ON PROPERTIES OF NUMBERS

Question 1 :

Which property is 

5⋅x  =  5x

(a)  Commutative Property of Addition

(b)  Commutative Property of Multiplication

(c)  Inverse Property of Multiplication

(d)  Inverse Property of Addition

Question 2 :

Which of the following is an example of commutative property of addition ?

(a)  7 ⋅ 11  =  11 ⋅ 7

(b)  12+0  =  12

(c)  57 + 32  =  32+ 57

Question 3 :

Which of the following is an example of associative property of multiplication.

(a)  (2 + 4) + 5 = 2 + (4 + 5)

(b)  (3 x 4) x 5 = 3 x (4 x 5)

(c)  52 x 4 = 4 x 52

(d)  3 + 92 = 95

Question 4 :

Which of the following is an example of the identity property of addition ?

(a)  72 + 51 = 51 + 72

(b)  3 + 92 = 95

(c)  17 + 0 = 17

(d)  (2 + 4) + 5 = 2 + (4 + 5)

Question 5 :

Find the equivalent form of (7+a)8

Question 6 :

(1/9) x 9 is

(a)  Commutative property of multiplication

(b)  Multiplicative identity

(c)  Additive identity

(d)  Multiplicative inverse

Question 7 :

This property tells us that when we change the order of numbers when we are adding, the answer does not change. 

(a)  Commutative Addition

(b)  Commutative Multiplication

(c)  Associative Addition

(d)  Associative Multiplication

Question 8 :

This property tells us that you can move the parentheses when you are multiplying and the answer will not change. 

(a)  Associative Addition

(b)  Associative Multiplication

(c)  Commutative Addition 

(d)  Commutative Multiplication 

Question 9 :

Name the property being shown.

(2 + 3) + 12 = 2 + (3 + 12)

(a) Associative

(b) commutative

(c)  distributive

Question 10 :

Name the property being shown. 5 x 6  =  6 x 5

(a) Associative

(b) commutative

(c)  distributive

Answers

(1)  Commutative Property of Addition

(2)  57 + 32  =  32+ 57

(3)  (3 x 4) x 5 = 3 x (4 x 5)

(4)   17 + 0 = 17

(5)  56 + 8a

(6)  Multiplicative inverse

(7) Commutative Multiplication & Associative Addition

(8)   Associative multiplication

(9)  Associative

(10)  Commutative

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