Area and Circumference of Circles

Area and Circumference of Circles

Assessment

Assessment

Created by

Mrs. Martucci

Mathematics

7th - 8th Grade

5 plays

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20 questions

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1.

Multiple Choice

1 min

1 pt

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area. Use 3.14 for pi.

675.6 ft2

29.67 ft2

545.8 ft2

706.5 ft2

2.

Multiple Choice

1 min

1 pt

A remodeling project calls for sanding a chair with a disk sander. The sanding disk used on the sander has a radius of 4.5 inches. Find the area of the disk. Use 3.14 for π

 about 64.79 in2

 about 55.19 in2

 about 63.59 in2

 about 53.79 in2

3.

Multiple Choice

30 sec

1 pt

Media Image

Ms. Merine calculated that her hoop earring has a diameter of 3.5 centimeters. What is the area of her earring (round to the hundreth's place)? Use pi key on calculator.

9.25 cm2

9.62 cm2

9.15 cm2

9.99 cm2

4.

Multiple Choice

2 mins

1 pt

Media Image

What is the approximate area of this circle using the pi key?

163.2

15.3

124.2

113.1

5.

Multiple Choice

3 mins

1 pt

A circular pie has an area of 706.5 cm2. What is the radius of the pie? Use 3.14 for pi.

225 cm

30 cm

15 cm

112.5 cm

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