PEMDAS (Order of Operations)

Word Stuff

100

Why is it important to know PEMDAS as a mathematician?

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

200

What is the saying we use to remember the correct Order of Operations?

Please Excuse My Dear Aunt Sally.

300

Tell what 5 ³ really means.

It means 5 x 5 x 5

400

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.

Fix my Mistake

100

5 ² + 1=11

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

200

3² - 6 = 0

3 ² = 9, not 6. Correct answer is 3

300

4 + 5 + 7 - 3 x 2 = 26

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

400

10 ³ = 30

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

Solve

100

7 + (2 x 4) - 1

14

200

56 ÷ (4+4) + 3²

16

300

20 – (5+3) x 2 + 4

8

400

(5 x 4) – 6 ÷ 2 + 9

26

Solve

100

49 ÷ (3+4) + 5²

32

200

5 + 14 ÷ 2 × 5

40

300

(4-1)² + (5+ 1)²

45

400

1² + 2² x 3² - 4²

21

Potent Potables

100

What kind of math do freshman take?

Algebra

200

Where is your teacher's favorite place?

Disney World

300

What is 17.5 x 6?

105

400

What is the capital of America?

Washington DC