1. Circles
Game

2. Directions Radius Diameter Chord Center Area Arc Circumference Sector
You have the following cards.
When I ask a question, pick the correct
answer card (do not show anyone).
When I say so, hold up your choice.
You will get points for correct answers.
Keep score on your white board.
Chord
Center
Area
Arc
Circumference
Sector

3. 1. The longest chord of a circle is a
diameter

4. The measure of the space inside the circle.
area

5. 2. The distance between the center and a point on the circle is called
radius

6. 3. The part of a circle connecting two points of the circle is the
ARC

7. What is it?
center

8. What is it (the yellow)?
arc

9. What is it?
radius

10. What is it?
chord

11. What is it (the red)?
sector

12. The line segment that connects two points on a circle is called a ______________.
chord

13. What is it?
diameter

14. circumference

15. The chord through the center of the circle is called the ______________
diameter

16. The ________________ is twice the length of the radius.
diameter
The ________________ is twice the length of the radius.

17. What is it (the green)?
arc

18. A circle is named for it’s ____________________.
center

19. The measure of the circle, the length around the outside.
circumference

20. Half of the diameter is the ____________________
radius

21. This is formed by the area in between two radii and an arc.
sector

22. Circumference

23. Area