Order of Operations

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by 00JenniferG00
Last updated 4 years ago

Elementary School
Pre - Algebra

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Order of Operations

Mathematical problem5 Step Problem W/ ( )3+(7x2)-5+3= 3+14-5+3= 17-5+3=12+3= 15

Mathematical problem3 Step Problem3+4x2 = 3+8=11

Order of OperationsBy:Jennifer GarciaPeriod 1January 26,2015

Order of Operations is used because when you have a problem with parenthases, exponents, multiplication ' divition, and addition ' subtraction then that is when you will need to put all of those into order and do each one step by step.

A common technique for remembering the order of operations is the abbreviation "PEMDAS", which is turned into the phrase "Please Excuse My Dear Aunt Sally". It stands for "Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction".


Why it's used

What happens if you don't use order of operations? 3+4x5 Jennifer's Answer: Samantha's Answer: 3+4x5 3+4x5 = 7x5 = 20+3 = 35 = 23Who is correct and why?

How I will remember Order of Operations?How I will remember order of operations is by looking at this poster. Another way that I will remember is becuasd I have PEMDAS memorized in my head.

Tips to remember Order of Operations:- You can ALWAYS see PEMDAS- You can ALWAYS remember ( ) First- You can look at this Glogster Poster or Print- You can ALWAYS ask your teacher for Help