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

Describe what is meant by "relative thinking."

Thinking about things in relation or in comparison to something else.  Example, the size of the B box compared to the whole.

400

Tell what 5 ³ really means.

It means 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

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.

Simplify

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

Simplify Part 2

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

Grab Bag

100

What is Ms. Kielty's favorite color?

green xD

200

Who is the owner of Origami Yoda?

Dwight Tharp

300

Use the appropriate symbol to compare these two fractions:  

7/8  and   8/9

<

8/9 is 1/9 away from 1 whole

400

Estimate the average weight of an apple.

1/3 of a pound

0.33 lbs

500

What is the capital of Vermont?

Montpelier