PEMDAS (Order of Operations)

Word Problems

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

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

Please Excuse My Dear Aunt Sally.

400

What 5^3 really means?

It means 5 x 5 x 5

500

What does 6 to the power of 4 times 10 plus 4 divided by 2 equal??

6^4*10+4/2= 1296*10=12960+4/2= 12960+2= 12962

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

4 + 5 + 7 - 3 x 2 = 26

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

500

10 ³ = 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

Miscellaneous

100

What is 10 to the power of 1 (10^1)?

10

200

The first operation to be performed

4 X ( 6 - 3) + 5

Subtraction

300

the base of the power 5^3

What is 5?

400

Evaluate 5^-2

1/25

500

The square root of 16 + the square root of 81 minus the square root of 9

What is 10