Incorrect Application of the Order of Operations P E M D A S
PEMDAS
Most of us think of this as six distinct steps. Aug 83:59 PM
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Deadly Sins.notebook
September 06, 2016
But it is actually four distinct steps. P PE(MD)(AS) E MD AS Multiplication and Division at the same time. Addition and Subtraction at the same time. Always from LEFT to RIGHT. Aug 84:01 PM
Sep 58:13 PM
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Deadly Sins.notebook
September 06, 2016
150 ÷ (6 + 3 x 8) 5
Sep 58:20 PM
Distributing Exponents Exponents mean multiply something by itself over and over again.
Exponents can be distributed over multiplication/division, but NOT over addition/ subtraction.
Sep 58:20 PM
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Deadly Sins.notebook
September 06, 2016
What You Can Do!
Sep 58:26 PM
What You Can NOT Do!!!
Sep 58:29 PM
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Deadly Sins.notebook
September 06, 2016
Why are we not allowed to do this?
Order of Operations!!
Sep 58:32 PM
Remember: exponents mean to multiply something by itself over and over again.
Sep 58:33 PM
5
Deadly Sins.notebook
September 06, 2016
Distributing Radicals
Sep 58:35 PM
Why can't we distribute radicals?
They are actually exponents written differently.
Sep 58:36 PM
6
Deadly Sins.notebook
September 06, 2016
Cancelling Parts of Sums
The only thing that division can undo is multiplication. In order to cancel, what ever is in the bottom must be multiplied by everything else on top.