Exploring the Parts of a Circle

What shape is used as a metaphor to explain parts of a circle?

• Rectangle

• Triangle

• Square

• Pizza

What does the diameter of a circle represent?

• Distance across the circle

• Area

• Circumference

• Radius

How many radii are equivalent to one diameter?

• Four

• One

• Two

• Three

Tags

CCSS.4.MD.A.1

What is the perimeter of a circle known as?

• Circumference

• Diameter

• Area

• Radius

What part of the pizza represents the circle's circumference?

• Toppings

• Crust

• Base

• Cheese

What does the area of a circle represent in the pizza metaphor?

• Base

• Crust

• Cheese

• Toppings

What mathematical constant is used to relate the circumference and diameter of a circle?

• Square root of two

• Pi

• Golden ratio

• Euler's number

Tags

CCSS.7.G.B.4

What is the approximate value of pi used for simple calculations?

• 1.414

• 2.718

• 3.14

• 1.618

Tags

CCSS.HSG.GMD.A.1

How can you access the pi button on an iPhone calculator?

• Swipe up

• Swipe down

• Turn it sideways

• Double-tap the screen

What type of number is pi classified as?

• Rational

• Irrational

• Integer

• Natural