PEMDAS (Order of Operations)

Word Stuff

100

Give the correct order of operations.

Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction

200

When using "PEMDAS" what should you know specifically so that you don't get the problem wrong?

You should know that multiplication and division are done in the order in which they come in the problem, and the same is true for addition and subtraction.

300

Evaluate the expression 4³ x 2 - 16 + 8 

120

400

Write 5³ in standard form.

 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.

Fix my Mistake

100

9 - 3 x 2=12

Correct answer is 3. Do x then -, not - then x.

200

5² + 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

4 + 5 + 7 - 3 x 2 = 26

You need to do multiplication first. Correct answer is 10.

500

10³  = 30

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

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

Solve

100

14 - 2 x 7

0

200

49 ÷ (3+4) + 5²

32

300

5 + 14 ÷ 2 × 5

40

400

(4-1)² + (5+ 1)²

45

500

1² + 2² x 3² - 4²

21

Potent Potables

100

How many students are in 6th grade at our school?

246

200

How many 6th grade math teachers do we have at our school?

4

300

What is our school's Mascot?

Leopard

400

What is 17.5 x 6?

105

500

What is 12.034 - 8.257

3.777