Surface area using nets

Unfold a solid into its faces, find each area, and add them up.

Standards:6.G.A.4

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

A net for a rectangular prism is shown below. The three visible faces have dimensions: 5 cm × 3 cm, 5 cm × 4 cm, and 3 cm × 4 cm. What is the total surface area of the prism?

Question 2 of 3

A net for a rectangular prism is shown. The dimensions are 3 cm × 4 cm × 5 cm. What is the total surface area?

Question 3 of 3

A net for a triangular prism is shown below. The two triangular bases have a base of 6 cm and a height of 4 cm. The three rectangular faces have dimensions 6 cm × 8 cm, 5 cm × 8 cm, and 5 cm × 8 cm. What is the total surface area of the prism?

How this fits in

Surface area using nets is one skill in the Basic Geometry unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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