Decimals
Fractions
Area of a Circle
Circumference of a Circle
Random Trivia
100

0.945 + 3.34

4.285

100

4/5 x 3/7

12/35

100

What is the formula for area of a circle?

π · r2

100

What is the formula for circumference of a circle?

2 · π · r

100

How many days are in May?

31

200

1.97 x 4

7.88

200

2/9 ÷ 5/8

Hint: Keep, Change, Flip

16/45

200

You and your friends get a cheese pizza that has a radius of 7 inches. Find the area of the pizza. 

153.86

200

What is the circumference of a circle with a radius of 8 miles?

50.24 miles

200

What is the capital of the United States?

Washington, DC

300

Write 5% as a decimal

0.05

300

10/12-1/3

1/2

300

A circular clock has a diameter of 20 feet. Find the area of the clock. 

314 feet

300

What is the radius of a circle with a diameter of 123 feet?

61.5 feet

300

What is the date next Sunday?

May 21st, 2023

400

Last week, your friend made $125 from mowing lawns. They spent 1/2 of that money on new clothes. How much money do they have left?

$64.50

400

How do you find the radius of a circle if you're given the diameter?

Divide the diameter in half 

400

A circle has a diameter of 15 cm. What is the circumference?

47.1 cm

500

Put these fractions in order from smallest to largest:

7/8, 1/2, 1/3, 3/4, 1/8

1/8, 1/3, 1/2, 3/4, 7/8

500

What is the area of a circle that has a diameter of 22 meters?

379.94 m2

500

What is the circumference of a circle with a radius of 14.25 cm?

89.49 cm

500

What is the capital of Connecticut?

Hartford