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# Order Of Operations

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A short powerpoint reviewing the order of operations

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### Order Of Operations

1. 1. Order of Operations By: Kim Harpe ED 205 02
2. 2. Order of Operations <ul><li>The order for operations goes as follows: </li></ul><ul><li>Parenthesis </li></ul><ul><li>Exponents </li></ul><ul><li>Multiplication and Division </li></ul><ul><li>Addition and Subtraction </li></ul><ul><li>Play a Game! </li></ul><ul><li>More info about me </li></ul>quit
3. 3. Parenthesis <ul><li>In an operation, the first thing you must do is anything that is in parenthesis. </li></ul><ul><li>Examples: </li></ul><ul><li>(2+4) ÷3= 2 </li></ul><ul><li>(5-1)+7= 11 </li></ul>quit
4. 4. Exponents <ul><li>After parenthesis (or if there aren’t any), the next thing to do are the exponents </li></ul><ul><li>Examples: </li></ul><ul><li>3 ²+4= 13 </li></ul><ul><li>(4+2)²-5= 29 </li></ul><ul><li>Notice on the last one we did the parenthesis FIRST and then the exponent </li></ul>quit
5. 5. Multiplication and Division <ul><li>Next we do any multiplication or divisionin the problem </li></ul><ul><li>Examples </li></ul><ul><li>(6 ÷3)-1×8= -6 </li></ul><ul><li>We did the parenthesis first so we had </li></ul><ul><li>2-1×8; then the multiplication leaving us with 2-8 which is equal to -6 </li></ul><ul><li>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. </li></ul>quit
6. 6. Addition and Subtraction <ul><li>The last step we evaluate in our problem is the addition and subtraction. </li></ul><ul><li>Example: </li></ul><ul><li>1+9 ×3-4=24 </li></ul><ul><li>We did 9 ×3 first making the problem 1+27-4 which equals 24 </li></ul><ul><li>Now that you know the order of operations </li></ul><ul><li>How can you REMEMBER? </li></ul>quit
7. 7. More about me <ul><li>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. </li></ul>quit
8. 8. Resources <ul><li>Youtube </li></ul><ul><li>Funbrain </li></ul><ul><li>learn alberta </li></ul>quit
9. 9. Play a Game! <ul><li>Here are some sites that you can visit to play some games relative to what you just learned. </li></ul><ul><li>game at funbrain.com </li></ul><ul><li>choose the correct operation </li></ul>quit
10. 10. Ways to remember <ul><li>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. </li></ul><ul><li>Take a look at what some students did to remember their order of operations. </li></ul>quit