1. Schedule: 5-minute Frenzy HW Review/?s
Agendas
Schedule:
5-minute Frenzy
Lesson: PEMDAS
-Notebook & supplies-
HW Review/?s

2. Order of Operations

3. Which goes on first: Shoes or Pants?
Does the order in which you get dressed matter?
Which goes on first: Shoes or Pants?

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

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

6. Please Excuse My Dear Aunt Sally
Parentheses ( )
Always do parentheses 1st.
(5 + 3 )

7. Please Excuse My Dear Aunt Sally
Exponents 43
Always do Exponents 2nd.
4 x 4 x 4

8. Please Excuse My Dear Aunt Sally
Multiply Divide
It depends on which one comes first
Ex: 9 ÷ 3 x 2
Ex: 6 x 4÷ 3

9. Please Excuse My Dear Aunt Sally
Addition Subtraction
It depends on which one comes first
Ex:
Ex: 6 – 4+ 3

10. Some Quick Examples

11. PEMDAS
(10 + 1) - 5
11 - 5
Always
Left
To Right 6

12. PEMDAS
42 – 5 + 2
16 – 5 +2 42
11 +2
4 x 4 16 13

13. PEMDAS
(5-1)
10 – 2+ 4
8+4
Always
Left
To Right 12

14. PEMDAS
(15÷3 x 2) - 32
(5 x 2) - 32
10 - 9 32 1
3 x 3 9

15. PEMDAS
3+32- (9+1)
3+9-10
Always
Left
To Right
12-10 2

16. PEMDAS
64  (9 x 3-19)
64(27 –19)
Always
Left
To Right
64  8 8

17. PEMDAS
3 (9+1) + 62
3(10)+62
3(10)+36
Always
Left
To Right
30+36 66

18. PEMDAS
x 23 +7
x 8 +7 23
10+7
2 x 2 x 2
4 x 2 8 17

19. PEMDAS
 10
21+10010 31

20. 10+72-2 x 5 10+49–2 x 5 10+49- 10 49 59 - 10 PEMDAS Always Left
To Right 49

21. Your Turn!!!! < SHOW ALL WORK Example: 52 – 4 32 + 23 25 – 4 9 + 8
25 –
<

22. Monday’s HW Quick Check23
2x2x2 8
2. 50
Anything raised to
Zero equals 1
3. 52
5x5 25
10x10x10x10
10000 11
7. 16
1x1x1x1x1x1 8.
10.24