Topic Heading = Order of Operations

What is the Order of Operations? What are the steps you take to make a PB and J sandwich? –Slather jelly on one slice of the bread –Stick the two sides of bread together –Get out the PB, jelly, bread, and knife –Smear peanut butter on one slice of the bread –Put the sandwich on a plate and eat!

Do you have the correct order? –Get out the PB, jelly, bread, and knife –Slather jelly on one slice of the bread –Smear peanut butter on one slice of the bread –Stick the two sides of bread together –Put the sandwich on a plate and eat!

Mathematical Order of Operations To find the value of an expression with more than one operation, use the Order of Operations. –Perform operations in parentheses –Clear exponents –Multiply and/or divide from left to right –Add and/or subtract from left to right

Use a Mnemonic! Please Excuse My Dear Aunt Sally! –Parentheses –Exponents –Multiply OR Divide –Add OR Subtract

Whats the Order of Operations? ( ) X X 2 /

Whats the Order of Operations? 5 + (7 – 4) 2 – 8 / 2 16 – 2 3 – (9 – 7) X 4