It is an agreement between mathematicians

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PEMDAS Order of operations.

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Presentation transcript:

It is an agreement between mathematicians Order of Operations It is an agreement between mathematicians

Warm –up: Solve the following 4 + 6 X 9 18 - 6 ÷ 2 + 5

tOday’s Learning Target I can describe and use the Order of Operations.

The Order of Operations Was invented by Mathematicians to make sure that all people solving math problems would do them in the same order and get the same answer. It is kind of like: Commas Periods Quotes Capitalization of Proper nouns

The Order of Operations or PEMDAS Please Excuse My Dear Aunt Sally Parentheses ( ) Exponents Multiplication or Division Addition or Subtraction

Using the Order of operations looks like this: 4 + 6 X 9 4 + 54 58 18 - 6 ÷ 2 + 5 18 – 6 ÷ 2 + 5 18 – 3 + 5 15 + 5 20

What would you do? 4(8 + 2) ÷ 10 4(8 + 2)÷ 10 4(10) ÷ 10 40 ÷ 10 4 5 – 3(2 + 6) ÷ 12 5 – 3(8) ÷ 12 5 – 24 ÷ 12 5 – 2 3

Create a foldable to explain PEMDAS For you to do: Create a foldable to explain PEMDAS Front Page: Please Excuse My Dear Aunt Sally Inside Cover: Parentheses Exponents Multiplication or Division Addition or Subtraction Back Cover: Show a problem using the Order of Operations.

Exit Quiz – Solve the following 3(6 + 4) ÷ 5