Page 9 - 091math-wb-w6-(equations&inequalities-1)

Workbook

4) Match each expression with the appropriate property.
(i) Commutative property
of addition
1 1
a) 3   f) 7.2  4 1   7.2    7.2 4     1
3
2 2 (ii) Associative property of
multiplication
b) 10 0 10  g) 7 1 7 
(iii) Distributive property of
multiplication over addition
1
c) 6 8  2 6   8 2  h) 6  1
6 (iv)Commutative property
of multiplication
d) 2   2  0 i)  9 4 12  9 4  12 (v) Associative property of
addition
 1 
e)   2 20 5 40  j)  3 y 10  3 10 y  (vi) Identity property of

 4  addition
(vii) Identity property of
multiplication

(viii) Inverse property of
addition
(ix)Inverse property of
multiplication

5) Remove parentheses by applying the distributive property.
a) 2(x 3y 8)  b)  5 2a 4b 9c   

c) 10(4x 9t 3)   d) ( 7w 5z)  

9 091math-wb-w6-(equations&inequalities-1)