1-10 - so go left to right. 15 - 7 8 Answer Example 2 8 +...

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Order of Operations Lesson 1-10
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Please Excuse My Dear Aunt Sally P = Parenthesis E = Exponents M = Multiply D = Divide A = Add S = Subtract
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This is the order: There are 4 levels. Do the top levels first. 1. Parenthesis 2. Exponents 3. Multiply and divide, from left to right. 4. Add and subtract, from left to right.
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Example 1 3 + 2 x 6 - 7 In PEMDAS, multiply (and divide) comes before adding and subtracting. 3 + 12 - 7 Now, we just have adding and subtracting,
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Unformatted text preview: so go left to right. 15 - 7 8 Answer Example 2 8 + (3 x 4) - 13 Parentheses first 8 + 12 - 13 Now, since we have adding and subtracting, just go left to right. 20 - 13 7 Answer Example 3 3 4- (4 x 10) + 3 3 4- 40 + 3 Now, the exponent comes first (P E MDAS). Remember, 3 4 is 3 x 3 x 3 x 3. 81 - 40 + 3 Now were down to adding and subtracting, so go left to right. 41 + 3 44 Answer Your Turn...
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1-10 - so go left to right. 15 - 7 8 Answer Example 2 8 +...

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