The distance from the centre of the circle to the outside edge.
What is radius (r)?
100
When the diameter of a circle is 5m, the circumference is ______? (to the nearest tenth of a unit)
What is 15.7m?
100
What is the formula for area of a circle?
What is A= r² x π?
100
The sum of all the percents in a circle graph.
What is 100%?
100
Mehreen has two cookies. The chocolate chip cookie has a radius of 15cm the monster cookie has a diameter of 25 cm. The bigger cookie is the _______.
What is the chocolate chip cookie?
200
The distance across a circle through its centre.
What is diameter (d)?
200
The radius of the circle is 9mm, the circumference of the circle is ____? (to the nearest tenth of a unit)
What is 56.5mm?
200
When r = 4.3cm, the area of the circle is ____. (To the nearest tenth of a unit)
What is 58.1 cm²?
200
Use graph #2. What percent of grade 7 students do not play a sport?
What is 15%
200
When the spoke of a bicycle tire is 0.5 meters, the circumference of the bicycle tire is ___. Round to the nearest hundredth.
What is 3.14m?
300
The ratio of the circumference of a circle to its diameter.
(C ÷ d)
What is pi? (π)
300
d=27m find the circumference (to the nearest tenth of a unit)
What is 84.8 m?
300
When r=1.2m, the area of the circle is ____? (To the nearest hundredth of a unit)
What is 4.5m²?
300
Use graph #1. The number of singing only performances if the total number performances was 535.
What is 315 singing only performances?
300
The length from the point of a pizza slice to the outside of the crust is 15 cm. What is the area of the whole pizza. Round to the nearest tenth of a unit.
What is 706.5 cm²?
400
The measure found using the formula d x 3.14.
What is circumference (C)?
400
The circumference of a circle is 221mm, what is the diameter? (to the nearest hundredth of a unit)
What is 70.38mm?
400
When the diameter of a circle is 5.45km, the area of the circle is ____. (To the nearest hundredth of a unit)
What is 23.32 km²?
400
Use graph #2. ____ more grade 7 students like volleyball then baseball if the total number of grade 7 students is 300.
What is 15 grade 7 students?
400
Dylan is running in the school track meet. The radius of the circular track is 20 meters. If the meet requires the runners to run around the track twice, Dylan will run ____ in total. Round to the nearest whole km.
What is 126km?
500
The number of squared units contained in a circle?
What is area (A)?
500
When the circumference of a circle is 157cm, what is the radius?
What is 25cm?
500
When the radius of a circle is 8mm, the area of the circle is ___. (To the nearest tenth of a unit)
What is 201.0 mm²?
500
Use graph #1. The central angle used for signing and dancing performances, when making a circle graph.
What is 90 degrees?
500
The Canadian toonie has a diameter of 28 mm. The inner ring of the toonie has a diameter of 16mm. The area of the outer ring of the toonie is ____ mm. Round to the neared hundredth of a unit.