Math Review

Addition

100

834.04 + 1,275.500

2,109.54

200

12,874 + 25,693 + (24/2)

38,579

300

345,678 + 789,432

1,135,110

400

45,678,912 + 87,654,321

133,333,233

500

157 7/12 + 298 5/8

456 5/24

Subtraction

100

847 - 1,936

- 1,089

200

25,874 - 12,639

13,235

300

389,765 - 765,432

- 375,667

400

3,456,789 - 1,987,654

1,469,135

500

89,765,432 - 4,564,560

85,200,872

Multiplication

100

48 x 21

1,008

200

23 x 132

3,036

300

578 x 34

19,652

400

2365 x 47

111,155

500

3,789 x 64

242,496

Algebra

100

Solve for x:

2x + 7 =21

x = 7

200

Solve for x:

2 (x -3) = 14

x = 10

300

Solve for x:

3 (x + 5) - 2x = 16

x =1

400

Solve for x:

3 (x -2) + 4 = 19

x = 7

500

Solve for x:

3 (x + 5) -2 (x - 3) = 4x +7

x = 14/3 

or 

x = 4 2/3

Random

100

How do you get free points in this game?

I don't know

200

True or False:

The Great Wall of China visible from space?

False

300

How many days does it take for the sun to revolve around the earth?

Trick Question:

The Earth revolves around the sun. 

400

What is the longest time someone has held their breath underwater?

24 minutes and 37 seconds

500

What are the top three largest oceans ?

1. Pacific Ocean

2. Atlantic Ocean

3. Indian Ocean