Order of Operations and Properties

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Is this a numerical expression? Why? 3 + ( 5 - 2)

Yes, It has numbers and operations.

Solve 62 + 10 x 2 - 5

77

Which property is used in (3 x 5 ) x 2 = 3 x ( 5 x 2 ) ?

Associative / grouping

Which property is used in 3 x 5 = 5 x 3 ?

Commutative / order

What is a word we use to describe the associative property?

Grouping ( )

Which property do we use when a number stays the same?

Identity

What is a word we use to describe the commutative property?

Order

What does the P stand for in PEMDAS ?

Parentheses

What is the answer in multiplication?

Product

What is the answer in addition?

Sum

Solve (7 + 3 ) x ( 8 - 2 )

60

How many times do we multiply the 3 if 3 has an exponent of 2?

2


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