Math Game

Radius and Diameter

100

What is the diameter of a circle if the radius is 7?

14

200

What is the diameter of a circle with a radius of 9?

18

300

What is the radius of a circle given the diameter is 22?

11

400

The radius of a circle is 4 cm, what is the area?

50.3

500

Find the diameter of a circle that has a circumference of 94.2?

30

Coordinates

100

(-9,-2) up 6 right 2

(-7,3)

200

(-6,3)  Up 2 and left 4

(-10,5)

300

What Is the definition of a coordinate?

A set of values that show an exact position of a point.

400

(4,-2) down 1 right 6

(10,-3)

500

(5,7) left 3 down 6

(2,1)

Pythagorean Theorem

100

 18² + 80²=c² , What is c² ?

c²= 82 

200

7² + b² = 25² , What is b² ?

b²=24

300

a²+ 4²= 5², what is a²?

a²= 3

400

9²+ b²= 15², what is b²?

b²= 12

500

a² + 8²= 10², what is a²?

a²=12.8

Scientific Notation

100

2.4 x 10⁴

24,000

200

4.386 x 10⁷

43,860,000

300

3.05 x 10²

305

400

7.1 x 10⁻⁶

0.0000071

500

9.0 x 10³

9,000

Volume

100

The formula of a cone

 

V= 1/3 pi r²h ( V=1/3hπr²) 

200

The formula of a cylinder 

V= pi r2h (V=πr2h) 

300

The formula for a sphere

V= 4/3 pi r3 ( V = 4/3 πr³)

400

What is the volume of a cylinder if r=5 and h=9? To the first decimal place. 

V= 282.7

500

what is the volume of a cone if r=2 and h=6?

37.79