7 x (3 x 15) = (7 x 3) x 15
Associative Property of Multiplication
Use the commutative property to write an equivalent expression:
2 + 7
7 + 2
Use the associative property to write an equivalent expression:
(3 + 7) + 4
3 + (7 + 4)
Use the distributive property to write an equivalent expression:
5 x 26
(5 x 20) + (5 x 6)
8 x (5 +3)= 8 x (3 + 5 )
Commutative Property of Addition
Use the commutative property to write an equivalent expression:
12 x 3
3 x 12
Use the associative property to write an equivalent expression:
5 x (1 x 4)
(5 x 1) x 4
Use the distributive property to write an equivalent expression:
6 x 47
(6 x 40) + (6 x 7)
7 x (4 + 5)= (7 x 4) + (7 x 5)
Distributive Property
Which equation shows the commutative property of addition?
a. 8 + 9 = 9 + 8
b. 3 x 25 = (3 x 20) + (3 x 5)
c. 18 x 3 = 3 x 18
d. 7 + (3 + 2) = (7 + 3) + 2
a. 8 + 9 = 9 + 8
Which equation shows the associative property of addition?
a. (7 + 9) + 2 = 7 + (9 + 2)
b. 1 + 8 = 2 + 7
c. 7 + 9 = 9 + 7
d. 1 + 0 = 1
a. (7 + 9) + 2 = 7 + (9 + 2)
Find the product using the distributive property:
2 x 39
2 x (30 + 9)
(2 x 30) + (2 x 9)
60 + 18
78
2 + (13 + 6) = (2 + 13) + 6
Associative Property of Addition
Which equation shows the commutative property of multiplication?
a. 6 + 2 = 2 + 6
b. 4 + (2 + 8) = (4 + 2) + 8
c. (12 x 9) x 2 = 12 x (9 x 2)
d. (3 x 4) x 10 = (4 x 3) x 10
d. (3 x 4) x 10 = (4 x 3) x 10
Which equation shows the associative property of multiplication?
a. 8 + (2 + 3) = (8 + 2) + 3
b. 4 x (2 + 5) = (4 x 2) + (4 x 5)
c. (18 x 3) x 7 = 18 x (3 x 7)
d. 5 + 9 = 9 + 5
c. (18 x 3) x 7= 18 x (3 x 7)
Find the product using the distributive property:
9 x 57
9 x (50 + 7)
(9 x 50) + (9 x 7)
450 + 63
513
(6 x 20) + (6 x 3) = 6 x 23
Distributive Property
Use the commutative property to determine if the equation below is equal or not equal:
13 + (5 x 2) = 13 + (2 x 5)
Equal
Use the associative property to determine if the equation below is equal or not equal:
(2 + 3) + 9 ____ 2 x (3 + 9)
Not equal
Find the product using the distributive property:
11 x 45
11 x (40 + 5)
(11 x 40) + (11 x 5)
440 + 55
495