Area/Circumference Review

Decide whether circumference or area would be needed to calculate the following problem:

The amount of pizza I would need to feed a class of students.

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

The distance around race car track.

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

The total number of equally-sized tiles on a circular floor

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

The total amount of pancake batter poured into a frying pan

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

The distance a bike wheel goes in 5 rotations.

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

the total amount of tiles that cover a kitchen floor

• area

• circumference

Decide whether circumference or area would be needed to calculate the following problem:

The total distance Jeff travels when he drives down the street in his car when his wheels rotate 60 times.

• area

• circumference

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²
• 45.6 cm²
• 50.24 cm²
• 55.9 cm²

The radius is 8 inches.  What is the circumference?

• 50.24 inches
• 25.12 inches
• 12.56 inches
• 200.96 inches

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²
• 29.55 m²
• 30.36 m²
• 28.26 m²