Vocabulary
Circumference or Area
Hot Topic
100
What is a radius?
What is a line that goes from the center straight the the circumference or outside of the circle
100
If you are trying to determine the inside of the circle would you need the circumference or area?
What is area
100
If the diameter of a circle is 100cm what is the radius?
(include measurements)
What is 50cm
200
What is a circumference?
Draw a picture to go along with!
What is the outside of the circle; the perimeter of the circle
200
To find out how much icing can fit on a cupcake would you need circumference or area? Why?
What is area because to cover the cupcake you're looking at the whole top not just the outside.
200
What is Human/Measurement Error?
What is a slight variation in the measurements that came from rounding or reading error. Answer should be close to the calculated answer but may not be exactly.
300
What is the diameter?
Draw a picture to go along!
What is straight line that goes from one end of the circle direction across to the opposite side of the circle.
300
If you are trying to calculate how far a ferris wheel with go in one rotation would you need the circumference or area?
What is circumference because ferris wheels travel in a circle rotation around the center.
300
If the Circumference of a circle is 191.54cm2 what is the radius of the circle?
(include measurements)
What is 30.5cm
400
What is the constant of proportionality that relates the diameter to the circumference?
What is pi (3.14)
400
If you are trying to figure out how far a bug traveled sitting on the end of a ceiling fan is going would you need to know the area or circumference or the area? Why?
What is circumference
400
The diameter of a circle is 16ft, what is the radius and area? Be sure to included measurement in your answer.
What is Radius: 8ft
Area: 50.24ft2
500
What is pi notation?
What is leaving your final answer in terms of pi
*do not multiply by 3.14*
500
Find the area of the figure in terms of pi
What is
4+3pi
500
Which circle is larger.
Circle 1 has a Area of 314mm2.
Circle 2 has a Radius of 49mm.
What is Circle 1 because the radius of circle one would be 50 and 50 is larger than 49.