Order Of Operations

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Order Of Operations

  1. 1. Order Of Operations By Michael Rose 7th grade
  2. 2. PEMDAS <ul><ul><li>What does P.E.M.D.A.S. Stand for. </li></ul></ul><ul><ul><li>P arentheses () </li></ul></ul><ul><ul><li>E xponents B ª </li></ul></ul><ul><ul><li>M ultiplication X </li></ul></ul><ul><ul><li>D ivision / </li></ul></ul><ul><ul><li>A ddition + </li></ul></ul><ul><ul><li>S ubtraction - </li></ul></ul>
  3. 3. PEMDAS <ul><ul><li>Way to remember P.E.M.D.A.S. </li></ul></ul><ul><ul><li>P lease (Parentheses) </li></ul></ul><ul><ul><li>E xcuse (Exponents) </li></ul></ul><ul><ul><li>M y (Multiplication) </li></ul></ul><ul><ul><li>D ear (Division) </li></ul></ul><ul><ul><li>A unt (Addition) </li></ul></ul><ul><ul><li>S ally (Subtraction) </li></ul></ul>
  4. 4. Parentheses <ul><ul><li>What are Parentheses </li></ul></ul><ul><ul><li>(Parentheses) </li></ul></ul><ul><ul><li>They are the first thing you would do in Order of Operations. </li></ul></ul><ul><ul><li>They separate what you have to do first from the rest of the problem. </li></ul></ul><ul><li>Example: </li></ul><ul><li>70/(100-90) </li></ul><ul><li>70/10 </li></ul><ul><li>7 </li></ul>
  5. 5. Exponents <ul><li>  </li></ul><ul><ul><li>What are exponents? </li></ul></ul><ul><ul><li>Exponents are the smaller numbers next to larger numbers. </li></ul></ul><ul><ul><li>They tell you how many times to multiply the number by its self.      </li></ul></ul><ul><ul><li>BªX B ª </li></ul></ul><ul><li>Example: </li></ul><ul><li>25=2X2X2X2X2=25 </li></ul>
  6. 6. Multiplication     <ul><ul><li>  What is multiplication? </li></ul></ul><ul><ul><li>Multiplication is adding basically. </li></ul></ul><ul><ul><li>Lets say the problem is ZXA. </li></ul></ul><ul><ul><li>You would add Z as many times A Says. </li></ul></ul><ul><li>Example: </li></ul><ul><li>7X3=21 </li></ul><ul><li>7+7+7=21 </li></ul>
  7. 7. Division <ul><ul><li>What is division? </li></ul></ul><ul><ul><li>Division is whsee how many times a number goes into another number. </li></ul></ul><ul><ul><li>Lets say its Q/P </li></ul></ul><ul><ul><li>You would see how many times Q goes into P </li></ul></ul><ul><li>Example: </li></ul><ul><li>9/3 </li></ul><ul><li>3X__=9 </li></ul><ul><li>3X3=9 </li></ul><ul><li>3 goes into 9 three times. </li></ul>
  8. 8. Addition <ul><ul><li>What is addition?  </li></ul></ul><ul><ul><li>Addition you add. </li></ul></ul><ul><ul><li>A+C+E=S </li></ul></ul><ul><li>Example: </li></ul><ul><li>2+4+6=? </li></ul><ul><li>2+4=6 </li></ul><ul><li>6+6=12 </li></ul><ul><li>2+4+6=12 </li></ul>
  9. 9. Subtraction     <ul><ul><li>What is subtraction? </li></ul></ul><ul><ul><li>Subtraction is getting rid of numbers. </li></ul></ul><ul><ul><li>Lets say it was A-Z=G </li></ul></ul><ul><ul><li>You would take A and take it away from Z. </li></ul></ul><ul><li>Example: </li></ul><ul><li>20-17=? </li></ul><ul><li>   20 </li></ul><ul><li>-17 </li></ul><ul><li>------ </li></ul><ul><li>3 </li></ul>
  10. 10. Problem <ul><li>An interior decorator charges $5 per square foot to lay a carpet, and of $50 an hour fee. The job takes three hours.If the room is 12 feet squared, how much will it cost to put the carpet in?        </li></ul><ul><li>NO CACULATORS PLEASE! </li></ul><ul><li>                      </li></ul>

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