Properties of Addition and Multiplication - PowerPoint PPT Presentation

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Properties of Addition and Multiplication

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Properties of Addition and Multiplication By Stephanie Lohr Commutative Property Commutative Property of Addition--changing the order in which you add does not change ... – PowerPoint PPT presentation

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Title: Properties of Addition and Multiplication


1
Properties of Addition and Multiplication
  • By Stephanie Lohr

2
Commutative Property
  • Commutative Property of Addition--changing the
    order in which you add does not change the sum.

So,
More Examples
3
Commutative Property
  • Commutative Property of Multiplication--changing
    the order in which you multiply numbers doesnt
    change the product.

So,
More Examples
4
Associative Property
  • Associative Property of Addition--changing the
    way the numbers are grouped does not change the
    sum.

Add parenthesis to show Associative Property
So,
5
Associative Property
  • Associative Property of Multiplication--changing
    the way the numbers are grouped does not change
    the product.

Add parenthesis to show Associative Property
6
Identity Property
  • Identity Property of Addition--if you add zero to
    a number, you get the same number!

0 is called the identity of addition!!
7
Identity Property
  • Identity Property of Multiplication--if you
    multiply a number by 1, you get the same number!

1 is called the identity of multiplication!!
8
Zero Property (of Multiplication)
  • Any number multiplied by 0 equals 0!

9
Inverse Property
  • Inverse Property of Multiplication--a number
    multiplied by its reciprocal equals 1.

10
Inverse Property
  • Additive Inverse Property--a number plus its
    opposite equals 0.

11
Distributive Property
  • A number outside parenthesis gets multiplied by
    every number inside parenthesis.

12
Identify the Property

Commutative Prop. Of Multiplication
Identity Prop. Of Addition
Zero Property
Associative Prop. Of Addition
Identity Prop. Of Multiplication
13
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