Circles and Surface Area

Area

100

A rectangular playground is 14 feet long and 9 feet wide.
What is the area of the playground?

126 square feet

200

A triangular flag has a base of 16 inches and a height of 9 inches.
What is the area of the flag?

72 square inches

300

A garden is made of two rectangles connected together.

• Rectangle A: 12 ft × 8 ft
• Rectangle B: 5 ft × 6 ft

What is the total area of the garden?

126 square feet

400

A gift box is shaped like a rectangular prism with dimensions:

• Side 1 = 10 cm × 3 cm 
• Side 2 = 10 cm × 4 cm 
• Side 3 = 4 cm × 3 cm 

What is the total surface area of the gift box?

164 square centimeters

500

A storage cube has side lengths of 6.5 inches.

What is the total surface area of the cube?

253.5 square inches

Shapes

100

A classroom floor is shaped like a rectangle. It is 15 feet long and 8 feet wide.
What is the area of the classroom floor?

120 square feet

200

A triangular warning sign has a base of 12 inches and a height of 9 inches.
What is the area of the sign?

54 square inches

300

A flower garden is shaped like a trapezoid.

• Top base = 8 meters
• Bottom base = 14 meters
• Height = 6 meters

What is the area of the garden?

66 square meters

400

A large rectangle has a length of 18 cm and a width of 10 cm.
Inside the rectangle is a smaller unshaded rectangle that measures 6 cm by 4 cm.

What is the shaded area?

156 square centimeters

500

A square playground has side lengths of 20 feet.
In the center of the playground is a circular sandbox with a radius of 5 feet.

What is the shaded area of the playground outside the sandbox?

321.5 square feet

Multiplication

100

12 x 9 =

108

200

18 x 6 =

108

300

987 x 4 =

3,948

400

24 x 18 =

432

500

54 x 36 =

1,944

Radius/Diameter

100

A bike wheel has a diameter of 24 inches.
What is the radius of the wheel?

12

200

A circular pizza pan has a radius of 14 inches.
What is the diameter of the pizza pan?

28

300

A circular fountain in the town square has a diameter of 49 feet. Workers need to know the radius to place lights around the center.
What is the radius of the fountain?

24.5

400

A circular practice track has a radius of 77.25 meters.
A coach wants to know the full distance straight across the circle through the center.
What is the diameter of the track?

154.5

500

A satellite dish is circular and has a diameter of 154.98 feet.
A technician needs to know the radius to place a support beam from the center to the edge.
What is the radius of the satellite dish?

77.49

Word Problems

100

Emma wants to buy a new rectangular rug for her bedroom. The rug is 8 feet long and 5 feet wide.
What is the area of the rug?

40 square feet

200

The school garden is shaped like a rectangle. It measures 12 meters long and 9 meters wide.
The class wants to cover the entire garden with mulch.
How many square meters of mulch will they need?

108 square meters

300

For a school event, students are making a triangular banner. The triangle has a base of 14 inches and a height of 10 inches.
What is the area of the banner?

70 square inches

400

A new playground has a shape made of two rectangles.

• Rectangle A measures 15 feet by 8 feet
• Rectangle B measures 6 feet by 4 feet

The two rectangles are connected to make one playground area.
What is the total area of the playground?

144 square feet

500

A family is building a backyard patio shaped like the figure below:

• A large rectangle measuring 18 feet by 12 feet
• A smaller rectangular flower bed measuring 6 feet by 4 feet is cut out from one corner of the patio
• A triangular seating area is added to one side with a base of 10 feet and a height of 8 feet

What is the total area of the finished patio?

232 square feet