5th Grade 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 GEMDAS 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 is the 3 in 5 ³ ?

3 is the power.

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

5x(2+ 1)=11

They did 5x2 first. Correct Answer is 15.

300

3x3+3- 6 = 0

The correct answer is 6.

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) + 9

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

48 ÷ (3+4) + 5

4

300

5 + 14 ÷ 2 × 5

40

400

(3x3)+(6x6)

45

500

1 + 4 x 9 - 16

21

Random Riddles

100

What is full of holes but still holds water?

Sponges

200

What can run but never walks, has a mouth but never talks, has a head but never weeps, and has a bed but never sleeps?

A River

300

What starts with a ‘P’, ends with an ‘E’, and has thousands of letters?

A post office

400

Give me a drink, and I will die. Feed me, and I'll get bigger. What am I?

A fire.

500

What has many rings but no fingers?

A telephone.