Grade 6 | Unit 1: Area and Surface Area | Mid-Unit Assessment (A)

Which parallelogram has an area of 60 square units? Description: Four parallelograms labeled A, B, C, and D. Parallelogram A has base 10, height 12, diagonal length 15. Parallelogram B has base 6, height 10, diagonal length 10.2. Parallelogram C has base 15, height 12, diagonal length 15. Parallelogram D has base 6, height 6, diagonal length 10.

• A

• B

• C

• D

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6.G.A.1

Select all the triangles that have an area of 30 square units. Description: Choice a has sides of length 10, 6, and unknown. The sides of length 10 and 6 form a right angle. Choice b has three sides of length 10 and a height of 8.66. Choice c has sides of length 10, 10, and unknown. The height of the triangle from the side of length 10 is 6. Choice d has sides of length 10, 6, and unknown. The height of the triangle from the side of length 6 is 8. Choice e has sides of length 3, 10, and unknown. The sides of length 3 and 10 form a right angle.

• A

• B

• C

• D

• E

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6.G.A.1

Select all the parallelograms that have an area of 16 square units.

• A

• B

• C

• D

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6.G.A.1

On each triangle, draw a segment to represent the height that corresponds to the given base. Label each height with the word “height.”

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6.G.A.1

Draw two distinct parallelograms, both with areas of 18 square units. The two parallelograms should not be identical copies of each other.

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6.G.A.1

Find the area of the given figure. Explain your reasoning.

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6.G.A.1

The figure is a diagram of a wall. Lengths are given in feet. Description: A pentagon with a base of length 8, a height of length 9, and vertical symmetry. The sides next to the base are perpendicular to the base, each with length 6. The other two sides have unknown length. How many square feet of wallpaper would be needed to cover the wall? Explain your reasoning. Wallpaper is sold in rolls that are 2 feet wide. What is the minimum length you would need to purchase to cover the wall?

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6.G.A.1