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Order of Operations. Why do we need an “Order of Operations?”. Problems with more than one operation can be solved in different ways. Only one answer is correct. To make sure everyone gets the same value, we use the Order of Operations. The correct order of operations is:. arentheses.

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Presentation Transcript
why do we need an order of operations
Why do we need an “Order of Operations?”

Problems with more than one operation can be solved in different ways. Only one answer is correct. To make sure everyone gets the same value, we use the Order of Operations.

the correct order of operations is
The correct order of operations is:

arentheses

xponents

ultiplication

From left to right

ivision

ddition

  • From left to right

ubtraction

slide5

Be careful when there is both

addition and subtraction or

multiplication and division

in a problem!!!

8 – 4 + 3 9 ÷ 3 · 4

9 + 2 – 1 + 3 8 · 3 ÷ 3 · 2

let s try some together
Let’s try some together:
  • A) 5 + (12-3) B) 8 – 3 · 2 + 7
  • C) 36 ÷( 1 + 2) 2
now try some on your own
Now try some on your own:
  • D) 21 ÷ 3 · 2 – 4 E) (2 + 10) 2 ÷ 4
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