Diameter
Radius
Area
Circumference
Unit Rate
100

What is the diameter of the circle if it has a radius of 5?

What is 10

100

If a circle has a diameter of 40, what is the radius?

20

100

What is the equation for area?

What is

100

What is the equation for circumference that uses radius?

What is .

100

What is a unit rate?

What is it has a 1 on the denominator.

200

True or False: The diameter of a circle goes is the distance from the center of a circle to the outside

What is False

200

Which line segment is the radius?

What is EC

What is AC

200

What is the area of the circle ?
r=5 ft  

What is 78.5 ft2

200

What is the equation for circumference that uses diameter?

What is πd.

200

Turn into a unit rate 2/3 / 5/6 

12/15

300

Which line segment is the diameter?

What is BD

300

How do you get the radius of a circle if only the diameter is given?

What is multiply it by 2

300

What is the area of the circle ?
d=18 in

What is 254.34 in2

300

What is the circumference of the circle?
r = 22

What is 138.16

300

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

What is 2/5 pie / 1 minute

400

How do you get the diameter of a circle if only the radius is given.

What is divide it by 2.

400

The diameter of this circle is 0.325. What is the radius?

What is .16

400

The diameter of this circle is 25. What is the circumference?

What is 78.5

400
The diameter of the circle is 63 inches, the radius is 31.5 inches and the area is 3115.6 inches2 . What is the circumference?





What is 198.44 inches

400
Jada can read 3/5 of a book in 1/4 of an hour.  How long would it take her to read one whole book?





What is 5/12 hour / 1 book

500

The diameter of this circle is 437. What is the radius?

What is 218.5

500

The radius of this circle is 6955. Find the circumference.

What is 43677.4

500


Daniel wants to buy cookies for her friend. The radius of a cookie is 5 inches. What is the cookie’s circumference?





31.4 inches

500

Julio ran one and a half mile in 15 minutes. What is his unit rate?

What is 3/30 miles/1 minute

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