Circles Unit 3 Pre-Assessment

Steven purchases a bowl. The diameter of the
bowl is 14 cm. What is the circumference of the 
bowl?

• 28 cm
• 43.98 cm
• 87.96 cm
• 7 cm

The diameter of a circle is:

• The measurement around the circle.
• The distance from an edge of a circle to another edge.
• The distance from the center of the circle to an edge of a circle
• The distance from an edge of a circle to another edge through the center. 

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.
• The measurement around the circle
• The measurement from and edge of the circle to another edge through the center
• A line perpendicular to the diameter of the circle

What is the distance around a circle?

• Circumference
• Area
• Diameter
• Radius

What is the diameter?

• 5 in
• 10 in
• 3.14 in
• 15.84 in

A circle has only one radius.

• True
• False

What is the formula for finding the circumference for a circle with just the radius?

•  2πr
• 1/2 bh
• πr²
• I do not know

What is the formula for finding the circumference of a circle with just the diameter?

•  πd
• bh
• lwh
• I do not know

Which expression could be used to find the approximate circumference of the quilt piece?

• 2π16
• 2π8
• 2(8)
• 2(4)

Which method could be used to find the radius of the circle formed by the pinwheel as it spins?

• Divide 9 inches by 2
• Divide 9 inches by pi
• multiply 9 inches by pi
• multiply 9 inches by 2