EXAMPLE
7 + 2 = 9
2 + 3 = 3 + 2
(2) (3) = (3) (2)
2 + (3 + 4) = (2+ 3) + 4.
2. (
34) = (2.3) 4
PROPERTY
Closure Property
a+b=0
Commutative Property
Addition: a + b = b + a
Multiplication: (a) (b) = (b) (a)
Associative Property
Addition: a + (b + c) = (a + b) +
Multiplication: a . (b. c) = (a • b).
Distributive Property
a (b + c) = a b + auc
Identity Property
Addition: a + 0 = a
Multiplication: a • 1 = a
Inverse Property
Addition a + (-a) = 0
Multiplication: a.
Zero Property of Multiplication
a. 0-0
2 (3+4)= 2.3 + 2,4
2 +0=2
201=2
2+1-2)=0
2.
= 1
2.0 = 0