Circles: Radius, Diameter, and Circumference

Circle Terms

100

The distance from the center of a circle to the outside.

Radius

200

A line that goes through the circle but DOES NOT go through the center.

Chord

300

The distance around a circle.

Circumference

400

How do we name a circle?

By it's center point.

500

What number do we use to classify Pi?

3.14

Radius

100

Radius: The Diameter of this circle is 8 inches

4 inches

200

Radius: The diameter of this circle is 12 meters

6 meters

300

Radius: The diameter of this circle is 27 cm

13.5 cm

400

Radius: The diameter of this circle is 437 inches

218.5 inches

500

Radius: The diameter of this circle is 39 meters

19.5 meters

Diameter

100

Diameter: The radius of this circle is 5 centimeters

10 centimeters

200

Diameter: The radius of this circle is 2.5 inches

5 inches

300

Diameter: The circumference of this circle is 15.7 inches

5 inches

400

Diameter: The circumference of this circle is 18.84 meters

6 meters

500

Diameter: The circumference of this circle is 194.68 inches

62 inches

Circumference

100

Circumference: The diameter for this circle is 10 inches

31.4 inches

200

Circumference: The diameter for this circle is 13 meters

40.82 meters

300

Circumference: The diameter of this circle is 25 yards

78.5 yards

400

Circumference: The radius for this circle is 45 centimeters

282.6 centimeters

500

Circumference: The radius for this circle is 8 mm.

50.24 mm

Mrs. Mallady

100

What is Mrs. Mallady's first name?

Sarah

200

What is my favorite baseball team?

New York Yankees

300

When is Mrs. Mallady's birthday?

May 23rd

400

What is my husband's name?

Bryan

500

What branch of the military is Mrs. Mallady's husband in?

Marines