Commutative Property
6+5=_+6
7x(2X5)=(7X_)X5
2
What is distributive property used for?
Lets you simplify expressions in which you are multiplying a number by a sum or difference
How many methods are there in distributive property?
2
32X45=?
45X32
(76+56)+24=?
76+(56+24)
4(12-7)=?
20
5/10+3/10=?
8/10 or 4/5
Define Commutative Property
The order in which two numbers are added does not change their sum or product
(12+21)+7=? and solve
12+(21+7)=40
5(6+7+9)=?
110
68x9=?
612
127+94=? and solve
94+127=221
Define Associative Property
The way numbers are grouped does not change their sum or product
4(21+34+55)=?
440
3/4x6/9=?
18/36 or 1/2
76X35=? and solve
35x76=2660
6x(11x9)=? and solve
(6x11)x9=594
13(12+43+31)
1118
182/13
14