1. Please Excuse My Dear Aunt Sally
Order of Operations
Please Excuse My Dear Aunt Sally
1) Parentheses
2) Exponents
3) Multiplication and Division (left to right)
4) Addition and Subtraction (left to right)
Example:
3 + 4 ∙ 2 11

2. Please Excuse My Dear Aunt Sally
Order of Operations
Please Excuse My Dear Aunt Sally
1) Parentheses
2) Exponents
3) Multiplication and Division (left to right)
4) Addition and Subtraction (left to right)
Example:
2 ∙ (3 + 4)
2 ∙ 7 14

3. Please Excuse My Dear Aunt Sally
Order of Operations
Please Excuse My Dear Aunt Sally
1) Parentheses
2) Exponents
3) Multiplication and Division (left to right)
4) Addition and Subtraction (left to right)
Example:
2 ∙ ÷ 5
8 ∙ + 10 ÷ 5
8 + 2 10

4. Please Excuse My Dear Aunt Sally
Order of Operations
Please Excuse My Dear Aunt Sally
1) Parentheses
2) Exponents
3) Multiplication and Division (left to right)
4) Addition and Subtraction (left to right)
Example:
22 ∙ (4 - 2) + 3
22 ∙ 2 + 3
4 ∙ 2 + 3
8 + 3 11

5. Example: [32 ∙ (6 - 3)] + 6 [32 ∙ 3] + 6 [9 ∙ 3] + 6 27 + 6 33
Order of Operations
Example:
[32 ∙ (6 - 3)] + 6
[32 ∙ 3] + 6
[9 ∙ 3] + 6
27 + 6 33

6. Order of Operations
Example:
2 ∙ (8 - 2)
3 ∙ 3 - 3
2 ∙ 6
9 - 3 12 6 2