Circular Parts
Circumference: The Distance Around the Round
Area: Pie are squared or Pie is squared?
Circular Writing
Review
100

This is the distance between the center of a circle and any point on the circle. 

What is radius?

100

The circumference of a circle which has a diameter of 10 meters (rounded to the nearest tenth).

What is 31.4 meters?

100

This is the area of a circle with a radius of 10 m.

What is 314 m2?

100

A circular pool is 25 feet in diameter. This is the number of 1 foot tiles needed to go around the circumference of the pool. (Round UP to the nearest WHOLE tile).

What is 154 tiles?

100

A recipe calls for one cup of flour and two eggs. This is how much flour and how many eggs Sally will need to triple the recipe.

What is three cups of flour and six eggs?

200

The point which is equidistant (same distance) to all points on the circle.

What is the center?

200

The circumference of a circle with a radius of 10 feet  (rounded to the nearest tenth).

What is 62.8 feet?

200

This is the area of a circle with a radius of 20 feet.

What is 1256 ft2?

200

A dog is tied up to a tree using a 15 foot rope. This is the area of the lawn the dog can walk on while being tied up, assume the dog can walk in a full circle around the tree (rounded to the nearest tenth).

What is 706.5 ft2?

200

Directions on a snowblower state that you need 3 ounces of 2-cycle oil for every gallon of gasoline.  Abdi wants to make a mix with 7 gallons of gasoline, how many ounces of oil does he need?

What is 21 ounces?

300

A line which contains the center of the circle and two points on opposite sides of the circle. 

What is diameter?

300

The circumference of a circle with a radius of 25 centimeters (rounded to the nearest whole number).

What is 157 centimeters?

300
This is the area of a circle with a diameter of 10 in.

What is 78.5 in2?

300

This is the area inside of a basketball rim (rounded to the nearest tenth).


What is 1589.6 cm2?

300

There are exactly 15 boys and 20 girls on the cross-country team. This is the number of boys to girls in simplest form. 

What is 3 boys to 4 girls? Or 3 boys:4 girls?

400

Half a circle.


What is a semi-circle?

400

This is the diameter of a circle with a circumference of 47.1 inches (rounded to the nearest whole number).

What is a diameter of 15 inches?

400

This is the radius of a circle with an area of 28.26 ft2.

What is a radius of 3 feet?

400

This is the area of a circle which has a circumference of 31.4 inches.

What is 78.5 in2?

400

The scale factor for the shapes shown below. Triangle ABC is the old shape, DEF is the new shape.

What is 3/2 or 1.5?

500

A line which connects any two points on the circle but DOES NOT go through the center of the circle. For example: Line segment AB below.

What is a chord?

500

This is the radius of a circle with a circumference of 125.6 millimeters.

What is 20 millimeters?

500

This is the diameter of a circle with an area of 153.86 cm(rounded to the nearest whole number).

What is a diameter of 10 cm?

500

This is the number of full times a 20 meter long cord be wrap around a 15 cm diameter pipe.

What is 42 times?

500

This is the missing side PQ. 

What is 5 cm?

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