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This is how to do Order of Operations

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- 1. Order of Operations <br />By: Cincia Dervishaj <br />Grade 7<br />
- 2. Order Of Operations Procedure<br /><ul><li>To do the Order of Operations you have to follow “PEMDAS” .
- 3. “PEMDAS” stands for:
- 4. Parentheses
- 5. Exponents
- 6. Multiplication and Division
- 7. Addition and Subtraction</li></li></ul><li>Parentheses<br /><ul><li>Parentheses is the first operation you do.
- 8. Another word for Parentheses is “Bracket”
- 9. Parentheses look like this: (). An example of an equation with parentheses would be:
- 10. (4+8)-7=3 The Parentheses are in blue. </li></li></ul><li>Exponents <br /><ul><li>The next operation is exponents.
- 11. Exponents look like this: ab
- 12. When doing exponents you multiply the number on the bottom by the amount of times of the raised number. Ex:
- 13. 42= 4x4=16</li></li></ul><li>Multiplication and Division<br /><ul><li>Following Exponents is multiplication and division. When doing multiplication and division you do the symbol that comes first from left to right.
- 14. An example would be:
- 15. 10x2/4=5 but if you did it the other way you would get a different awnser10/2x4=20 </li></li></ul><li>Addition and Subtraction<br /><ul><li>The last two letters stand for Addition and Subtraction.
- 16. Like multiplication and division when doing addition and subtraction you do what comes first from left to right.
- 17. An example of this is:
- 18. 20+2-4=18 but when doing it reversed 20-2+4=18 it will still equal 18. </li></li></ul><li>Extra Tips <br /><ul><li>Another way to remember “PEMDAS” is:
- 19. “Please Excuse My Dear Aunt Sally”
- 20. If you remember this and the steps mentioned you will find Order of Operations easy. </li></li></ul><li>Now You Try It<br />Q: You have four numbers and the numbers equal up to 60. You are aloud to use a pair of parentheses two multiplication signs and one division sign. You are not allowed to move the numbers from there position. Where do the signs go?<br /> 4 5 6 2<br />

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