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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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Bell work
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

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.


Commutative property
Commutative Property

  • 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


Associative property
Associative Property

  • 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)


Which property is used
Which Property is used?

  • (n X 2) X 10

    n X (2 X 10)

    20n

    Associative

  • A + B + C = B + C + A

    Commutative


Homework
Homework

testmoz.com/173988

Homework due on


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