Sir Conference and The Dragon of Pi
Parts of a Circle
Calculating Diameter and Radius
Formulas
Calculating Area and Circumference
100

Sir Cumference's wife's name

What is Lady Di of Ameter?

100

A perfectly round, two-dimensional shape where all points on its edge are the exact same distance from a fixed center point

What is a circle?

100

The radius of a circle with a diameter of 25cm

What is 12.5cm?

100

The formula for pi

What is π=C/d?

100

The circumference of a circle with a diameter of 12cm

What is 37.68cm?

200

Sir Cumference's son's name.

What is radius?

200

The straight line distance across a circle, passing directly through its center point, connecting two points on the opposite sides

What is the diameter?

200

The radius of a circle with a diameter of 64in

What is 32in?

200

The formula for radius

What is r=d/2?

200

The circumference of a circle with a radius of 14cm

What is 87.92cm?

300

The baked good the little boy used to help him save his father from being a dragon forever

What is pie?

300

A straight line segment from the center to any point on the boundary of the circle is called the ___________.

What is the radius?

300

The diameter of a circle with a radius of 108mm

What is 216mm?

300

The formulas for circumference

What is C=πd and C=2πr?

300

The area of a circle with a radius of 3m

What is 28.6m2?

400

The little boy’s cousin’s name that worked in the bakery

Who is Lady Fingers?

400

The fixed point in the exact middle of the circle, equidistant from all points on the boundary is called the _________________.

What is the center of a circle?

400

The diameter of a circle with a circumference of 47.1ft?

What is 15ft?

400

The formulas for diameter

What is d=C/π and d=2r?

400

The area of a circle with a circumference of 62.8in

What is 314in2?

500

The number of spoonfuls of potion Sir Cumference drank?

What is 3 1/7 spoonfuls?

500

The total distance around the outside of the circle (the perimeter).

What is the circumference? 

500

The diameter of a circle with a circumference of 81.64m

***Double jeopardy***

What is 26m?


500
The formula for area of a circle

What is C= πr2?

500

The circumference of a circle with an area of 153.86mm2

***Double Jeopardy***

What is 43.96mm?