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6.G.4: Surface Area by Adding Faces

6.G.4: Surface Area by Adding Faces

Assessment

Presentation

Mathematics

6th Grade

Practice Problem

Easy

CCSS
6.G.A.4, 6.G.A.1, 7.G.B.6

+4

Standards-aligned

Created by

Alecia Julian

Used 25+ times

FREE Resource

5 Slides • 16 Questions

1

6.G.4: Surface Area by Adding Faces

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2

Goals for this activity

  • practice calculating surface area

  • review calculating area of rectangles and triangles

3

You will need a calculator!

Open a new tab

Go to desmos.com/scientific

4

Multiple Choice

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Which shape could be folded up to form a cube?

1

A

2

B

3

C

4

D

5

E

5

Multiple Select

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Which shapes could be folded up to form pyramids?

1

A

2

B

3

C

4

D

5

E

6

Multiple Choice

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Which shape could be folded up to form a rectangular prism?

1

A

2

B

3

C

4

D

5

E

7

Multiple Choice

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Which shape could be folded up to form a triangular prism?

1

A

2

B

3

C

4

D

5

E

8

Nets

When we unfold a 3D shape into its 2D version, the 2D version is called a net.

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9

Nets & Surface Area

We can use nets to calculate the surface area of a shape.


Nets are similar to the composite figures we looked at yesterday--funky shapes made up of more normal shapes.

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10

Multiple Choice

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Find the area of the base of this rectangular pyramid (Shape A).

1

40 cm2

2

20 cm2

3

I'm not sure--help please!

11

Multiple Choice

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Find the area of the two triangles labeled as shape B

1

48 cm2

2

24 cm2

3

I'm not sure--help please!

12

Multiple Choice

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Find the area of the two triangles labeled as shape C

1

40 cm2

2

20 cm2

3

I'm not sure--help please!

13

Multiple Select

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Which expressions could we use to calculate the total surface area of the rectangular pyramid?

1

40 + 24 + 24 + 20 + 20

2

40 + 24 + 20

3

40 + 2(24) + 2(20)

4

40 x 24 x 20

5

I'm not sure--help please!

14

Open Ended

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Calculate the total surface area of the rectangular pyramid. Don't forget your units!


Once you have your answer, come back to Teams to compare with other answers.

15

Multiple Choice

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Calculate the area of rectangle A.

1

6 square cm

2

12 square cm

3

18 square cm

4

I'm not sure--help please!

16

Multiple Choice

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Calculate the area of rectangle B.

1

6 square cm

2

12 square cm

3

18 square cm

4

I'm not sure--help please!

17

Multiple Choice

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Calculate the area of rectangle C.

1

6 square cm

2

12 square cm

3

18 square cm

4

I'm not sure--help please!

18

Multiple Choice

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Calculate the surface area of the rectangular prism

1

36 square cm

2

72 square cm

3

66 square cm

4

I'm not sure--help please!

5

I got a different answer but I don't see it.

19

Open Ended

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Calculate the area of the triangle.


When you finish, come back to the Teams screen to check out other answers.

20

Open Ended

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The parallelogram has an area of 35 square units. What is the height?


When you finish, come back to the Teams screen to check out other answers.

21

Open Ended

How are you feeling about your test tomorrow? Do you have any questions?

6.G.4: Surface Area by Adding Faces

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