PEMDAS (Order of Operations)

A. PEMDAS

100

Give the correct order of operations.

Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction

200

Why is it important to know PEMDAS as a mathematician?

So everyone can solve every problem the same (correct) way.

300

True or False:
3 + 4 × 2 = 14

FALSE - 11

400

Tell what 5 ³ really means.

It means 5 x 5 x 5

500

The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?

I went from left to right without using the correct order of operations.

B. Fix my Mistake

100

9 - 3 x 2=12

Correct answer is 3. 

Do x then -

not  - then x.

200

5 ² + 1=11

5 ² = 25, not 10. Correct Answer is 26.

300

3²  - 6 = 0

3 ²  = 9, not 6. Correct answer is 3

400

What does the E Stand for in PEMDAS?

EXPONENTS

500

10 ³ = 30

10 ³ = 10 x 10 x10, which is 1000, not 30.

C. Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3²

16

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

D. PEMDAS

100

14 - 2 x 7

0

200

49 ÷ (3+4) + 5²

32

300

5 + 14 ÷ 2 × 5

40

400

(4-1)² 

9

500

1² + 2² x 3² - 4²

21

E. CLASS

100

Your math teachers FIRST name

Jamie

200

Your class aide's name

Ms. Jana

300

Shivela Mascot

PANTHERS BABY WOO

400

Name an assistant principal for the school

Peterson or Brown

500

College Mr. Nunley Went To

University of Arizona