Grade 6 | Unit 1 | Lesson 12: What is Surface Area? | Practice Problems

What is the surface area of this rectangular prism?

• 16 square units

• 32 square units

• 48 square units

• 64 square units

Which description can represent the surface area of this trunk?

• The number of square inches that cover the top of the trunk.

• The number of square feet that cover all the outside faces of the trunk.

• The number of square inches of horizontal surface inside the trunk.

• The number of cubic feet that can be packed inside the trunk.

Which figure has a greater surface area?

• Figure A

• Figure B

• Figure A and Figure B have the same surface area of 22 square units

A rectangular prism is 4 units high, 2 units wide, and 6 units long. What is its surface area in square units? Explain or show your reasoning.

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Draw an example of each of these triangles on the grid. A right triangle with an area of 6 square units. An acute triangle with an area of 6 square units. An obtuse triangle with an area of 6 square units.

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Find the area of triangle MOQ in square units. Show your reasoning.

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Find the area of this shape. Show your reasoning.

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