Order of Operations and Properties
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