Area and Circumference Problem Solving

For each problem, decide whether the circumference of the circle or the area of the circle is most useful for finding a solution. Explain your reasoning. A circular kitchen table has a diameter of 60 inches. You want to know how much fabric is needed to cover the table top.

• Circumference

• Area

For each problem, decide whether the circumference of the circle or the area of the circle is most useful for finding a solution. Explain your reasoning. A circular puzzle is 20 inches in diameter. All of the pieces are about the same size. You want to know about how many pieces there are in the puzzle.

• Circumference

• Area

For each problem, decide whether the circumference of the circle or the area of the circle is most useful for finding a solution. Explain your reasoning. You want to know about how long it takes to walk around a circular pond.

• Circumference

• Area

The city of Paris, France is completely contained within an almost circular road that goes around the edge. Use the map with its scale to estimate the area of Paris.

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Here is a diagram of a softball field: About how long is the fence around the field?

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Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

The area of a rectangle is 36 square meters.  If the length of the rectangle is 3, what is the width?

• 108

• 12

• 9

• 15

What is the area of a square with a length of 4 cm?

• 1 square cm

• 16 square cm

• 2 square cm

• 8 square cm 

What is the area of the rectangle?

• 15 cm²

• 15 cm²

• 2 cm²

• 16 cm²

What is the area?

• 12 cm²

• 14

• 14 cm²

• 24 cm²