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Vocabulary
Radius
Diameter
Circumference
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100

What is the name of a line that goes from the edge of a circle to the middle?

A Radius

100
The diameter of a circle is 10 cm. What is the radius of the circle?
5 cm
100
If Jessicca drew a perfect circle with a radius of 4.5cm, what would the diameter of that circle be?
9 cm
100
What is the formula for finding circumference in a circle?
C=d x pi
100

What do you call the tool we used to create perfect circles?

A compass.

200
A point inside the circle, the same distance from all other points.
The centre.
200
A circle has a diameter of 17.5 m. What is the radius?
8.75 m
200
Lexi had a new circular pool installed in her backyard. If she walks from the edge of the pool to the middle, she walks 12.5 feet. What is the diameter of the pool?
25 feet
200
Joshua has a round table with a diameter of 5 feet. What is the distance around the outside of the table?
15.7 feet
200
What is the number version of pi?
3.141592653589793238462643383279502884197169399375105820974944592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559644622948954930381964428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951941511609...
300
What is the name of a line that goes from one edge of a circle to another edge, passing through the center of the circle?
A Diameter
300
If Dominic cut down a tree with a diameter of 7 meters, what would the radius of the tree be?
3.5 meters
300
The radius of the circle at half-court in Chief Peguis' gym has a radius of 147cm. What is the diameter of that circle?
294 cm
300
Ms. Smith has a plate with a diameter of 12 inches. What is the circumference of that plate?
37.68 inches
300

From what language do we get the term 'pi'?

Greek

400
What do we call the distance around the outside of a circle?
The circumference.
400
Aliens landed in Roswell and created a circle in the ground that was 56 meters across. What would the radius of that circle be?
28 meters
400
Amy's dog has a water bowl that has a radius 15.35 inches. What is the diameter?
30.7 inches
400
Anthony bought a large 18 inch pizza at Big Cheese. What is the distance around the outside of the pizza?
56.52 inches
400

Georg went to the store with $20.00 to buy 3 things: Milk - $3.79 Bread - $1.79 Eggs - $2.19 How much change will be recieve?

$12.23

500
How many degrees does every circle have, no matter how big or small?
360
500
Ms. Britton baked cupackes with a diameter of 9.18 cm. What is the radius?
4.59 cm
500
Mr. Donkersloot has a clock with a minute had that goes from the middle of the clock to the edge. The minute hand is 16cm long. What is the diameter of the clock?
32 cm
500
Hunter bought new tires for his 4 wheeler. The radius of the tire is 18 inches. What is the circumference of the tire?
113.04 inches
500

Solve this problem: 15÷ (2+1) + 36 ÷ 6 x 4 

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