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Order Of Operations

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A short powerpoint reviewing the order of operations

A short powerpoint reviewing the order of operations

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  • 1. Order of Operations By: Kim Harpe ED 205 02
  • 2. Order of Operations
    • The order for operations goes as follows:
    • Parenthesis
    • Exponents
    • Multiplication and Division
    • Addition and Subtraction
    • Play a Game!
    • More info about me
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  • 3. Parenthesis
    • In an operation, the first thing you must do is anything that is in parenthesis.
    • Examples:
    • (2+4) ÷3= 2
    • (5-1)+7= 11
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  • 4. Exponents
    • After parenthesis (or if there aren’t any), the next thing to do are the exponents
    • Examples:
    • 3 ²+4= 13
    • (4+2)²-5= 29
    • Notice on the last one we did the parenthesis FIRST and then the exponent
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  • 5. Multiplication and Division
    • Next we do any multiplication or divisionin the problem
    • Examples
    • (6 ÷3)-1×8= -6
    • We did the parenthesis first so we had
    • 2-1×8; then the multiplication leaving us with 2-8 which is equal to -6
    • 7×3+2-12÷6= 21 In this problem we did 7×3 first making it 21+2-12÷6; then we evaluated 12÷6 making it now 21+2-2 leaving our final answer of 21.
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  • 6. Addition and Subtraction
    • The last step we evaluate in our problem is the addition and subtraction.
    • Example:
    • 1+9 ×3-4=24
    • We did 9 ×3 first making the problem 1+27-4 which equals 24
    • Now that you know the order of operations
    • How can you REMEMBER?
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  • 7. More about me
    • My name is Kim Harpe and I am currently a sophomore at Grand Valley State University. I live in Grand Rapids, MI and have a one year old daughter. I hope to become a bilingual math teacher for middle school students. If you would like to know more or just to talk feel free to email me from the link below.
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  • 8. Resources
    • Youtube
    • Funbrain
    • learn alberta
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  • 9. Play a Game!
    • Here are some sites that you can visit to play some games relative to what you just learned.
    • game at funbrain.com
    • choose the correct operation
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  • 10. Ways to remember
    • There are different ways to remember the order of operations. I suggest PEMDAS (that is parenthesis, exponents, multiplication and division, addition and subtraction). You can memorize the word PEMDAS, remember it by making it into a sentence such as Please Excuse My Dear Aunt Sally, or think of your own creative way.
    • Take a look at what some students did to remember their order of operations.
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