order of operations next by: rebecca olinger. you all know how to add, subtract, multiply, and...
TRANSCRIPT
Order of Operations
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By: Rebecca Olinger
You all know how to add, subtract,
multiply, and divide.
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But what happens when all of those
operations are in the same math problem?
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There is a phrase we use to help us
remember the order of operations…
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Please Excuse My Dear Aunt Sally!
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Please
1. Solve inside parentheses ( )
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For Example: 10 + (5 - 4) x 3
10 + 1 x 3
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My Dear 2. Multiply or Divide
from left to right.
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For Example: 10 + (5 - 4) x 3
10 + 1 x 3 10 + 3
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Aunt Sally!
2. Add or Subtract from
left to right.
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For Example: 10 + (5 - 4) x 3
10 + 1 x 3 10 + 3 13
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Now it is your turn to try!
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What should I solve first in 5 x 3 – (2 + 2) ?
5 x 3
2 + 2
3 - 2
5 + 2
That is correct!You remembered that you solve inside the parentheses ( ) first!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
What should I solve first in 6 + 4 x 3?
4 x 3
6 + 3
6 + 4
10 x 3
That is correct!
You remembered to multiply and divide before you add and
subtract!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
Solve: (5 + 2) x 6
17
32
42
16
That is correct!
You remembered the Order of Operations!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
Solve: (20 + 2) - 6
8
10
12
16
That is correct!
You remembered the Order of Operations!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
Solve: 48 ÷ (8 - 2) + 4
8
10
12
17
That is correct!
You remembered the Order of Operations!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
Solve: 18 – (6 x 1) x 2
6
24
4
16
That is correct!
You remembered the Order of Operations!
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Good Try, but remember to
Pardon My Dear Aunt Sally!
Try Again
Good Job!
You now know a lot about the Order of
Operations!