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Order of Operations

PEMDAS
by

Jordan Johnston

on 8 April 2013

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Transcript of Order of Operations

P Order of Operations Jordan Johnston E M D A S P
A
R
E
N
T
H
E
S
E
S Begin solving the
equation by simplifying
inside the
parentheses. 2×10+(3+1) -4+6÷2 2 2×10+(4) -4+6÷2 2 E
X
P
O
N
E
N
T
I
A
L
S Calculating in the
wrong order will give you
a wrong answer! "Operations" means things like
add, subtract, multiply, divide, square, etc.

The "order" is the order in which you
do these operations. When you see something like ...
7 + (6 × 52 + 3)
... what part should you calculate first?
Start at the left and go to the right?
Or go from right to left? M
U
L
T
I
P
L
Y D
I
V
I
D
E A D D or or S U B T R A C T Long ago, people came up
with the solution to this problem
so there would be no confusion.
The solution is called
the order of operations. Distribute the exponent (a.k.a. power)
to the base before you
multiply or divide. Don't forget that roots are exponents! Multiplication and division are on the same level.
You can solve them at the same time.
Just remember to do it left to right. Addition and subtraction are also on the same level.
You can solve them at the same time.
Just remember to do it left to right. 2×10+(4) -4+6÷2 2 2×10+16-4+6÷2 2×10+16-4+6÷2 20+16-4+3 20+16-4+3 =35 Example: This is how I would
introduce this
math skill to my
elementary class. This can be hard to remember,
so here is a trick you will
remember every time! ...or you can create your own.
It doesn't really matter how
you remember it, just so long
as you get it right. Works Cited:
http://www.mathsisfun.com/operation-order-pemdas.html
www.findsounds.com
Google image search on Prezi
www.youtube.com
Full transcript