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# Bell work - PowerPoint PPT Presentation

Bell work . Please Excuse My Dear Aunt Sally is the phrase for what? Come up with your own unique phrase No foul language No Profanity If I see someone else with the same answer, you will both receive a 0 for this assignment…. 1-3: Commutative and Associative Properties.

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## PowerPoint Slideshow about 'Bell work' - patty

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• Please Excuse My Dear Aunt Sally is the phrase for what?

• Come up with your own unique phrase

• No foul language

• No Profanity

• If I see someone else with the same answer, you will both receive a 0 for this assignment…

### 1-3: Commutative and Associative Properties

Common Core: N.RN.3

Explain why the sum or product of rational numbers is rational; that the sum of a rational number and an irrational number is irrational; and that the product of a nonzero rational number and an irrational number is irrational.

• The order in which two numbers are added or multiplied does not change their sum or product.

• What is a sum?

• What is a product?

• Example:

5+7=7+5 or 3 X 10= 10X 3

• The way in which 3 numbers are grouped when they are added or multiplied does not change their sum or product.

• Ex

(24+8)+2=24+(8+2) or (9X4)X25=9X(4X25)

• (n X 2) X 10

n X (2 X 10)

20n

Associative

• A + B + C = B + C + A

Commutative

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