Surface Area and Unit Conversion Challenges for Grade 7

A rectangular box has a length of 5 meters, a width of 3 meters, and a height of 2 meters. What is the total surface area of the box in square meters?

• 60 square meters

• 70 square meters

• 50 square meters

• 62 square meters

A cylindrical water tank has a radius of 1.5 meters and a height of 4 meters. Calculate the total surface area of the tank. (Use 3.14 for π)

• 60.78 square meters

• 52.26 square meters

• 36.54 square meters

• 48.12 square meters

A cube has a side length of 10 centimeters. What is the total surface area of the cube in square centimeters?

• 1000 cm²

• 600 cm²

• 500 cm²

• 800 cm²

A rectangular prism has dimensions of 8 feet by 6 feet by 3 feet. Convert the dimensions to inches and then find the total surface area in square inches.

• 25920 square inches

• 24000 square inches

• 30000 square inches

• 18000 square inches

A gift box is shaped like a cube with a side length of 12 inches. If you want to wrap it with paper, how much wrapping paper do you need in square feet? (Convert your answer from square inches to square feet)

• 6 square feet

• 4 square feet

• 8 square feet

• 10 square feet

A swimming pool is in the shape of a rectangular prism with a length of 25 feet, a width of 10 feet, and a depth of 5 feet. Estimate the total surface area of the pool, including the bottom and sides.

• 450 square feet

• 700 square feet

• 500 square feet

• 600 square feet

A rectangular garden measures 15 meters long and 10 meters wide. If you want to build a fence around it, what is the total surface area of the garden that needs to be fenced?

• 60 meters

• 30 meters

• 40 meters

• 50 meters

A box has a total surface area of 150 square inches. If the length is 5 inches and the width is 3 inches, what is the height of the box?

• 8 inches

• 6 inches

• 5.5 inches

• 7.5 inches

A cylindrical can has a height of 6 inches and a diameter of 4 inches. Calculate the total surface area of the can, rounding your answer to the nearest whole number.

• 90

• 120

• 100

• 80

A rectangular prism has a length of 10 cm, a width of 4 cm, and a height of 2 cm. If you want to paint the outside of the prism, how many square centimeters of paint will you need?

• 136 cm²

• 150 cm²

• 120 cm²

• 100 cm²