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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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