Around the Round
Inside the Circle (of trust)
Parts and Pieces
Composite Shapes
Math Trivia
100
This is the "perimeter" of a circle by name.
What is circumfrence?
100
This is the formula for finding the area of a circle.
What is r x r x 3.14?
100
The point inside a circle from which all the distances to the points on the edge of the circle are equal is called this. As seen below.
What is "the center"?
100
Find the perimeter of the following composite shape.
What is 36 cm?
100
This is the answer to 2/3 x 3/8!
What is 1/4?
200
This is the circumference of circle, for a circle with a diameter of 13 cm.
What is 40.82 cm?
200
This is the area of a circle with a radius of 6 meters.
What is 113.04?
200
The distance from the center of a circle to any point on the circle is known as this. As seen below.
What is the "radius"?
200
Find the area of the composite shape shown.
What is 24 cm2?
200
The answer to this problem.
What is 2.5?
300
This is the circumference of a circle (rounded to the nearest 100th) with a diameter of 10 inches. Use 3.14 for Pi.
What is 31.4 inches?
300
This is the area of a circle (rounded to the nearest 100th) with a radius of 10 inches. Use 3.14 for Pi.
What is 314 inches2?
300
The distance of a line which goes from one side of the circle to the other through the center point is called this. As seen below.
What is the "diameter"?
300
Find the perimeter of the following composite shape. Use 3.14 for Pi. 
What is 51.84 m?
300
If Britta is baking a cake for her entire hockey team. The recipe calls for 2 eggs and 5 cups of flour. This is how much flour should she use if she wants to use 7 eggs.
What is 17.5 cups of flour?
400
This is the circumference of a circle with a radius of 6 feet.
What is 37.68 feet?
400
This is the area for a circle with a diameter of 10 feet (rounded to the nearest 100th). Use 3.14 for Pi.
What is 78.5 feet2?
400
This is when you have half a circle. As seen below.
What is a "semicircle"?
400
Find the area of the composite shape shown below. Use 3.14 for Pi.
What is 64.26 m2?
400
This is the answer to (1+1/2)*(1+1/3)*(1+1/4)*(1+1/5).....(1+1/9)=
What is 5?
500
Stu has a wheel that has a circumference of 47.1 cm. What is the radius of the wheel? Use 3.14 for Pi.
What is 7.5 cm?
500
A circular garden has an area of 12.56 ft2. This is the radius of the garden.
What is 2 feet?
500
A line segment with points on the circle that DOES NOT go through the center of the circle is called this. Line segment AB below is an example of one.
What is a "chord"?
500
This is the perimeter AND area of the composite shape below in terms of Pi.
What is 10.28 inches for perimeter and 7.14 inches2 for area?
500
This is the scale factor for the area of two rectangles if the dimensions of the first rectangle are 13.375 inches by 22.125 inches and second rectangle is increased by a scale factor of 3.
What is 9?