1. Simplifying Expressions
Order of Operations.

2. Let’s try to solve this equation…
÷ 2 • 3 = 18 2 13

3. So how do you figure it out?3 1
÷ 2 • 3 = 13
1. Find the terms!
2. Simplify Terms!
3. Simplify Some More!
4. Solve!

4. Please Excuse My Dear Aunt Sally
aka: P.E.M.D.A.S.
aka: Order of Operations
1. Parentheses ( ) [ ]
2. Exponents
3. Multiplication OR Division (whichever is first in line)
X ÷ or ÷ x
4. Addition OR Subtraction (whichever is first in line) or
Order of Operations what to do first.

5. So does the order in which you perform operations matter?
WHY?

6. Practice 1
3 • =
Answer 18

7. Practice 2
÷ =
Answer 9

8. Practice 3
÷ 4 =
Answer 5

9. Round 1
÷ 6 =
Answer 17

10. Round 2
• =
Answer 48

11. Round 3
÷ 2 • 2 =
Answer 5

12. Round 4
÷ • 2 =
Answer 1

13. Round 5
÷ • 2 =
Answer 7

14. Round 6
16 ÷ • 2 =
Answer 11

15. iPad Activity – Order of Operations