Order of Operations

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Order of Operations

• BEDMAS

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Outcome B10
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What does BEDMAS stand for?

• B
• E
• D
• M
• A
• S

rackets xponents ivision ultiplication ddition ubt
raction
In order from left to right
In order from left to right
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Why do we need order of operations?

• Order of Operations dates back to the 1600s
• Mathematicians of the time agreed on a system so
  that the same answers would be obtained from a
  single question

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Who is right?
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Showing your work is important!

• ONE STEP AT A TIME
• WORK DOWN THE PAGE
• NOT ACROSS

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Change to a common denominator Subtract Remove
brackets Multiply Simplify
OR like this
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Lets try this one
Expand the exponent and Multiply Remove
brackets Find a common denominator Subtract
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What is the correct answer to