Circles
Exponents
Equations
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Random Riddles
Percent
Volume
100

This is the equation for finding the Circumference of a circle




C = pi x diameter or C = 2 x pi x radius

100

24

16

100

3x - 4 = 11


x = 5

100

What has to be broken before you can use it?

an egg

100

What is 3/4 as a percent?

75%

100

What is the formula for a cylinder? 

V = pi x r2 x h

200

What is the circumference of a circle with a radius of 10? Use 3.14 for pi if needed.





C  = 62.8

200

What is 4-3 

1/64

200

-2x - 5 = 1

x = -3

200

14 - -12

26


200

What begins with T, finishes with T, and has T in it?

a teapot

200

What is 1/3 as a percent?

33.3%

200

What is the volume for a cone?

V = (pi x r2 x h) /3
300

What is the equation for area of a circle?


300

what is x5 ● x8

x13

300

x/3 + 10 = -20

x =-90

300

-10 - 15

-25

300

What goes up but never comes back down?

your age

300

95% is what as a fraction in simplest form?

19/20

300

What is the volume of a cylinder with a height of 4 and a diameter of 10? Use 3.14 for pi if needed. 

What is 314?

400

Find the area of a circle with a diameter of 10. Use 3.14 for pi if needed. 

A = 78.5

400

(x4)10

x40

400

-2(3x + 4) = -26

x = 3

400

-2 + -3 + 5

0


400

No matter what, what can you always count on?

your fingers

400

Sales tax is 6%.  If you spent $25, what was your total? 

$26.50

400

What is the volume of a cone with a height of 4 and a radius of 5? Round to the nearest whole number.  Use 3.14 for pi if needed. 

What is 105? 

500

What is the difference in areas of a pizza with a diameter of 20 inches and a pizza with a radius of 12 inches? Use 3.14 for pi if needed. 

138.16

500

What is the value of:

x-3y5 / x-1y

y4 / x2

500

(5x - 7) / 2  = 4

x=3


500

6 + (-2 + -5)

-1

500

What is full of holes but still holds water?

a sponge

500

I measured a rope to be 21.2 feet, but it as actually 21.5 feet. What is my percent of error? Round to the nearest tenth.

1.4%

500

What is the formula for volume of a sphere? 

V = 4/3 X pi X r3