Vocabulary
The name of a line or line segment that goes from the edge of a circle to the middle.
What is a radius?
The radius of a circle with a diameter of 10cm.
What is 5cm?
You want to know about how long it takes to walk around a circular field.
What is circumference?
The formula for finding the circumference of a circle.
What is C=3.14d?
The formula used to find the area of a circle.
What is A=3.14r^2?
The name of a line or line segment that goes from one edge of a circle to another edge, passing through the center of the circle?
What is a diameter?
If Jessicca drew a perfect circle with a radius of 4.5cm, what would the diameter of that circle be?
What is 9cm?
Your round garden needs fertilizer. You want to know how much fertilizer you need to spread across the whole garden.
What is area?
Joshua has a round table with a diameter of 5 feet. What is the distance around the outside of the table?
What is 15.7 feet?
The area of a circle with a radius of 5 inches.
What is 78.5 inches squared?
The distance around the outside of a circle.
What is the circumference?
Dominic cuts down a tree with a diameter of 7 meters, what would be the radius of the tree?
What is 3.5 meters?
A round cake has a 12 inch diameter. You want to know how much icing you need to go around the outside edge.
What is circumference?
Ms. Yoder has a plate with a diameter of 12 inches. What is the circumference of that plate?
What is 37.68 inches?
The area of a round swimming pool with a diameter of 20 feet.
What is 314 feet squared?
Name a Shape that has no edges
What is a circle?
Aliens landed in Roswell and created a circle in the ground that was 56 meters across. What would the radius of that circle be?
A car’s wheels spin at 1000 revolutions per minute. The diameter of the wheels is 23 inches. You want to know how fast the car is travelling.
What is cirucumference?
Anthony bought a large 18 inch pizza at Big Cheese. What is the distance around the outside of the pizza?
What is 56.52 inches?
The area of a circular lawn with a diameter of 50 feet.
What is 1,962.5 feet squared?
3.14 or 22/7
What is Pi?
Mr. Farver's dog has a water bowl that has a circumference of 31.40 inches. What is the diameter of the bowl?
What is 10 inches?
A circular wood sign is 18 inches in diameter. You want to stain the top of the sign. You want to know how much stain you need to cover it.
What is area?
Hunter bought new tires for his 4 wheeler. The radius of the tire is 18 inches. What is the circumference of the tire?
What is 113.04 inches?
A painter needs to paint the bottom of a circular pool. The pool has a radius of 30 feet. One gallon of paint covers 300 feet. How many gallons of paint does the painter need?
What is 10 gallons?