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Order Of Operations

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Order Of Operations

1. 1. Order of Operations<br />Nicole Gutowski<br />http://i.ehow.com/images/GlobalPhoto/Articles/4670479/math-main_Full.jpg<br />
2. 2. Steps<br />Parenthesis<br />Exponents<br />Multiplication/Division<br />Addition/ Subtraction <br />Left Right<br />mathforum.org<br />
3. 3. Please<br />Excuse<br />My<br />Dear<br />Aunt<br />Sally<br />mathforum.org<br />
4. 4. Evaluate:<br />9-5÷(8-3)×2+6<br />1 2 3 4 5 6 7 8 9<br />mathgoodies.com<br />
5. 5. Parenthesis<br />9-5÷(8-3)×2+6<br />9-5÷5×2+6<br />1 2 3 4 5 6 7 8 9<br />
6. 6. NO EXPONENTS!<br />Multiply/ Divide left to right<br />Divide:<br />9-5÷5×2+6<br /> 9-1×2+6<br />1 2 3 4 5 6 7 8 9<br />
7. 7. Multiply<br />9-1×2+6<br />9-2+6<br />1 2 3 4 5 6 7 8 9<br />
8. 8. Add/Subtractleft to right<br />Subtract:<br />9-2+6<br />7+6<br />1 2 3 4 5 6 7 8 9<br />
9. 9. Add<br />7+6<br />=<br />?<br />1 2 3 4 5 6 7 8 9<br />
10. 10. 13<br />1 2 3 4 5 6 7 8 9<br />
11. 11. Practice Problems:<br />4 + (2 + 1)2 =? <br />7 + (6 × 52 + 3) =?<br />18 + 36 ÷ 32=?<br />8 + (2 x 5) x 34 ÷ 9 =?<br />27 - 256 ÷ 43 =?<br />*Turn in by March 7th for extra credit*<br />
12. 12. Works Cited<br />mathforum.org<br />www.mathgoodies.com<br />www.mathsisfun.com<br />http://i.ehow.com/images/GlobalPhoto/Articles/4670479/math-main_Full.jpg<br />
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