PEMDAS (Order of Operations)

Word Stuff

100

What is the abbreviation for order of operations?

PEMDAS

200

Give the correct order of operations.

Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction

300

Tell what 5 ³ really means. Not the answer.

It means 5 x 5 x 5

400

If you have a problem that has both multiplication and division, how do you know which one to do first?

Left to Right

500

How old is Mr. Pfeil?

75

Fix my Mistake

100

9 - 3 x 2 

Answer: 12

Correct answer is 3.

200

5 ² + 1

Answer: 11

Correct Answer is 26.

300

3²  - 6 

Answer: 0

Correct answer is 3

400

10 ³  

Answer: 30

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

500

4 + 5 + 7 - 3 x 2 

Answer: 26

You need to follow PEMDAS and do x first. Correct answer is 10.

Solve #1

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

Solve #2

100

14 - 2 x 7

0

200

5 + 14 ÷ 2 × 5

40

300

49 ÷ (3+4) + 5²

32

400

15 + (3 + 2)² - 14 + 1

27

500

(4-1)² + (5+ 1)²

45

Exponents

100

15¹

15

200

2⁴

16

300

5² + 6²

61

400

1,003,567⁰ + 456,212,123,234⁰

2

500

1² + 2² x 3² - 4²

21