PEMDAS (Order of Operations)

Word Stuff

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 does PEMDAS stant for?

Parenthesis, Exponents, Multiply, Divide, Add, Subtract.

400

Does it matter if I multiply or divide first?

No, you need to multiply or divide from left to right. 

500

Does it matter if I multiply or add first?

Yes, because multiplication comes before adding.

Fix my Mistake

100

9 - 3 x 2=12

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

200

5 x 2 + 1=15

You need to multiply before you divide. The correct answer is 11.

300

(3÷1/3)+15=16

3÷1/3 = 9 not 1

400

4 + 5 + 7 - 3 x 2 = 26

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

500

10 x 3 - 4 ÷ 2 = 13

You must multiply and divide before subtracting. The answer is 28

Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) ÷ 1/2 + 0.5

14.5

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

What is the first Step

100

14 - 2 x 7

Multiply 2 x 7

200

49 ÷ (3+4) + 5

Add 3+4

300

5 + 14 ÷ 2 × 5

Divide 14 ÷ 2

400

(4-1) x (5+ 1) ÷ 1/2

Subtract  4-1

500

1 + 2 x (4 - 2) x 1/2

Subtract 4-2

Potent Potables

100

What tests did we take this week?

I-Ready

200

Who is our newest student?

J'Cory

300

Who is our oldest student?

Miranda

400

What is 17.5 x 6?

105

500

Who is our principal?

Mrs. Toole