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 operation is done first: Subtraction or Division?

Division

400

The problem is 7 + 3 x 4 - 3  What is my first step

Multiply 3 and 4

500

The problem is 4 + 5 x 9 - 7. 

Should I add first?

NO

First Step

100

9 - 3 x 2 

3 x 2 

200

( 3 + 3 x 2) - 1  

3 + 6

300

8 + 64 ÷  4 - 3 

Divide 64 ÷ 4

400

4 + 5 + (7 - 3) x 2  

Groups: 7 - 3

500

7 + 12 x 4 - 34  

Multiply 12 x 4

Solve

100

3 + 4 x 5

23

200

7 + (2 x 4) - 1

14

300

56 ÷ (4+4) + 3 x 12

43

400

20 – (5+3) x 2 + 4

8

500

(5 x 4) – 6 ÷ 2 + 9

26

Solve #2

100

14 - 2 x 7

0

200

49 ÷ (3+4) + (3/8 + 2/8)

7 5/8

300

4 + (6 x 4) + (3 x 4 + 12)

52

400

6 + 38 + (72 ÷ 2 - 24)

56

500

( 3 x 12 + 17) - 4 + 7/8 - 2/8

49 5/8

Random Questions

100

True or False: All Astronauts are Male

False

There are many female astronauts

200

What is the name of the recent Space Missions

Artemis

300

Who owns SpaceX?

Elon Musk

400

Have astronauts walked on the moon? Like EVER

Yes, Neil Armstrong was the first. But many other astronauts have walked on the moon

500

Can a really good swimmer and diver be involved with NASA?

Yes, when training in the buoyancy lab, each astronaut needs 2 divers to assist and keep them safe