GEMDAS (Order of Operations)

Word Stuff

100

Give the correct order of operations.

Grouping Symbols, Exponents, Multiplication OR Division (left to right), Addition OR Subtraction (left to right)

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 special way we write the acronym when completing a problem that involves Order of Operations. 

G

E

MD

AS

400

If someone solved this expression 20 - 5 x 2 + 3 

and got an answer of 33. What did they do wrong?

They went from left to right without using the correct order of operations.

Fix my Mistake

100

9 - 3 * 2 = 12

Correct answer is 3. 

200

What did this student do wrong when solving (5 * 4) – 6 ÷ 2 + 9 = 16

Correct answer is 26.

300

4 + 5 + 7 - 3 * 2 = 26

Correct answer is 10.

400

What is the error? if 3 * 2 + (4 - 3) * 6 = 30

Correct answer is 12

Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3

10

400

20 – (5+3) x 2 + 4

8

Solve

100

14 - 2 * 7

0

200

49 ÷ (3+4) + 5

12

300

5 + 14 ÷ 2 * 5

40

400

(1-4) + (5+ 1)

3

Potent Potables

100

Who was the first president of the United States? 

George Washington

200

What is the fastest land animal?

cheetah

300

What is the only even prime number?

2

400

How many continents on Earth?

7