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43 Order of Operations  ( ) + - X.

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Presentation on theme: "43 Order of Operations  ( ) + - X."— Presentation transcript:

1 43 Order of Operations ( ) + - X

2 The Order of Operations tells us how to do a math problem with more than one operation, in the correct order.

3 Please Excuse My Dear Aunt Sally
This will help to you to remember the order of operations.

4 Please Excuse My Dear Aunt Sally
Parentheses ( ) E Exponents 43 M D Multiply x Divide  A S Add + Subtract -

5 Please Excuse My Dear Aunt Sally
Parentheses ( ) Always do parentheses 1st.

6 Please Excuse My Dear Aunt Sally
Exponents 43 Always do Exponents 2nd.

7 Please Excuse My Dear Aunt Sally
Multiply x Divide  Do multiplication and division 3rd, from left to right.

8 Please Excuse My Dear Aunt Sally
Add + Subtract - Do addition and subtraction 4th, from left to right.

9 Let’s Try Some  Problems!

10 PEMDAS 3+23- (9+1) 3+8-10 11-10 1

11 PEMDAS 3 (9+1) + 62 3(10)+62 3(10)+36 30+36 66

12 PEMDAS 4+5 x (6-2) 4+5 x 4 4+20 24

13 PEMDAS 4+ 10 x 4+10 x 8 -16 84-16 68

14 PEMDAS  10 21+10010 31

15 PEMDAS x 5 10+49–2 x 5 49

16 PEMDAS 64  (9 x 3-19) 64(27 –19) 64  8 8


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