Jennifer core 4

Algebraic Property Book

Commutative Property of Multiplication just switching your numbers around

15

3 1 x

+

5 1 =

3 1 x E x J

=

E x =J

+

Commutative Property of Multiplication 7 re x 5 a = 5 ou x g 7 y n i h t c s h ju it s w r s e be th m nd nu ou ar

x

= J Ex

=

E x J

x

Associative property of addition

( (

+ ) + ) for any number switch around in the parentheses

distributive property

to remove parentheses multiply first 3x6+3x4 (3+6)4= x

+

x

Zero property ď‚§

0

x

=0

Ex0=E

multiply by zero

Identity property of addition ď‚§

+0= all you are doing is adding zero J+0=J

Identity property of multiplication x 1=

ď‚§

all you are really doing is multiplying by one so your number stays the same E x 1=E

Inverse property of addition ď‚§ _______ + _______ = 1

Think the product of a number and its opposite is one this is offten used used with fractions and their reciprocals

Inverse property of multiplication _____________

X

___________ _

E All you are doing is switching your numbers around in your fraction

J

___x

___

J

E