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Order of Operations

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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Order of Operations

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  1. Order of Operations

  2. 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.

  3. The correct order of operations is: arentheses xponents ultiplication From left to right ivision ddition • From left to right ubtraction

  4. One way to remember PEMDAS is:

  5. 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

  6. Let’s try some together: • A) 5 + (12-3) B) 8 – 3 · 2 + 7 • C) 36 ÷( 1 + 2) 2

  7. Now try some on your own: • D) 21 ÷ 3 · 2 – 4 E) (2 + 10) 2 ÷ 4

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