Estimating Circle Areas in Real Life Scenarios

A circular garden has a diameter of 10 feet. Estimate the area of the garden and explain what this area means in terms of how much space is available for planting flowers.

• 100 square feet

• 50 square feet

• Approximately 78.54 square feet

• 30 square feet

Tags

CCSS.7.G.B.4

A pizza has a radius of 8 inches. If you want to cover the pizza with cheese, how much cheese do you need? Estimate the area and discuss how this relates to the amount of cheese you should buy.

• Approximately 201 square inches of cheese is needed.

• Approximately 100 square inches of cheese is needed.

• Approximately 250 square inches of cheese is needed.

• Approximately 150 square inches of cheese is needed.

Tags

CCSS.7.G.B.4

A circular swimming pool has a radius of 15 feet. Calculate the area of the pool and interpret what this means for the amount of water needed to fill it.

• Approximately 706.86 square feet

• Approximately 500 square feet

• Approximately 350 square feet

• Approximately 900 square feet

Tags

CCSS.7.G.B.4

A round table has a diameter of 4 feet. Estimate the area of the table and explain how this area could help in determining how many people can sit around it comfortably.

• The area of the table is approximately 6.28 square feet.

• The area of the table is approximately 12.57 square feet.

• The area of the table is approximately 15.70 square feet.

• The area of the table is approximately 25.12 square feet.

Tags

CCSS.7.G.B.4

A circular track has a radius of 50 meters. What is the area of the track? Discuss how this area could be useful for planning events or races.

• The area of the track is approximately 5000 square meters.

• The area of the track is approximately 7854 square meters.

• The area of the track is approximately 10000 square meters.

• The area of the track is approximately 4000 square meters.

Tags

CCSS.7.G.B.4

A circular flower bed has a radius of 3 feet. If you want to cover it with mulch, how much mulch will you need? Estimate the area and explain the significance of this area in gardening.

• Approximately 28.26 square feet of mulch is needed.

• 15.7 square feet of mulch is needed.

• 50 square feet of mulch is needed.

• 10.5 square feet of mulch is needed.

Tags

CCSS.7.G.B.4

A circular pizza has a diameter of 12 inches. If you want to cut it into equal slices, how does the area of each slice relate to the total area of the pizza?

• The area of each slice is the same as the radius of the pizza.

• The area of each slice is the total area divided by the number of slices.

• The area of each slice is half of the total area of the pizza.

• The area of each slice is equal to the diameter of the pizza.

A circular pond has a radius of 20 meters. Calculate the area of the pond and interpret how this area might affect the types of plants and animals that can live there.

• The area of the pond is approximately 1256.64 square meters.

• The area of the pond is approximately 400 square meters.

• The area of the pond is approximately 1000 square meters.

• The area of the pond is approximately 1500 square meters.

Tags

CCSS.7.G.B.4

A circular clock has a radius of 6 inches. Estimate the area of the clock face and discuss how this area relates to the visibility of the time from a distance.

• Approximately 113.1 square inches

• Approximately 150.8 square inches

• Approximately 94.2 square inches

• Approximately 75.4 square inches

Tags

CCSS.7.G.B.4

A circular playground has a diameter of 30 feet. Calculate the area of the playground and interpret how this area can impact the number of children that can play there at once.

• Approximately 900 square feet

• Approximately 500 square feet

• Approximately 350 square feet

• Approximately 706.86 square feet

Tags

CCSS.7.G.B.4