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Open Up - Grade 6 - Mathematics - Unit 1 - Lesson 15

Last updated about 4 years ago

8 Nsɛmmisa

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

1

6.G.2

6.G.4

Source: Open Up Resouces (Download for free at openupresources.org.)

Asemmisa {{asɛmmisaAhyɛnsode}}

1.

Jada drew a net for a polyhedron and calculated its surface area. What polyhedron can be assembled from this net?

Asemmisa {{asɛmmisaAhyɛnsode}}

2.

Jada drew a net for a polyhedron and calculated its surface area. She made some mistakes in her area calculation though. Find the real surface area of the polyhedron. Enter your answer in square cm.

Asemmisa {{asɛmmisaAhyɛnsode}}

3.

A cereal box is 8 inches by 2 inches by 12 inches. What is its surface area? Enter your answer in square inches.
If you get stuck, consider drawing a sketch of the box or its net and labeling the edges with their measurements.

Asemmisa {{asɛmmisaAhyɛnsode}}

4.

Twelve cubes are stacked to make this figure. What is its surface area in square units?

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5.

How would the surface area change if the top two cubes are removed?

Asemmisa {{asɛmmisaAhyɛnsode}}

6.

Here are two polyhedra and their nets. Label all edges in the net with the correct lengths.

Asemmisa {{asɛmmisaAhyɛnsode}}

7.

What three-dimensional figure can be assembled from the net?

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8.

What is the surface area of the figure in square units?