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Grade 7 Surface Area of Prisms Worksheet with Answers

Grade 7 (US) · Year 8 (UK) · Class 7 (India) · Math

Unit 5: GeometryArea, Surface Area & VolumeCCSS 7.G.B.6

Finding the surface area of cubes, rectangular prisms and triangular prisms by adding the areas of all their faces. This free middle school worksheet has 12 questions and a full answer key. Print it or save it as a PDF — every answer is checked by code, not guessed.

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Surface Area of Prisms

Grade 7 · Math

Score___ / 12

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Class

Date

Learning goal: Area, Surface Area & Volume · CCSS 7.G.B.6

Directions: Use the pictures to help you. Solve each problem. Show your work, then write your answer in the box.

Example

Find the surface area of a cube with edges of 2 in.

Answer: 24 in²

RememberVolume

Rectangular prismV = l × w × hCylinderV = πr²h
  1. 1

    Find the surface area of a rectangular prism 9 cm long, 2 cm wide and 10 cm high.

    9 cm2 cm10 cm
    Answer
  2. 2

    Find the surface area of a rectangular prism 7 in long, 2 in wide and 2 in high.

    7 in2 in2 in
    Answer
  3. 3

    Find the surface area of a rectangular prism 4 m long, 12 m wide and 3 m high.

    4 m12 m3 m
    Answer
  4. 4

    A gift box is 15 cm × 3 cm × 7 cm. How much wrapping paper is needed to cover it exactly (no overlap)?

    Show your work
    Answer
  5. 5

    Find the surface area of a rectangular prism 7 m long, 10 m wide and 3 m high.

    7 m10 m3 m
    Answer
  6. 6

    Find the surface area of a cube with edges of 4 cm.

    4 cm4 cm4 cm
    Answer
  7. 7

    Find the surface area of a rectangular prism 14 m long, 6 m wide and 5 m high.

    14 m6 m5 m
    Answer
  8. 8

    A gift box is 11 cm × 6 cm × 3 cm. How much wrapping paper is needed to cover it exactly (no overlap)?

    Show your work
    Answer
  9. 9

    Find the surface area of a cube with edges of 8 in.

    8 in8 in8 in
    Answer
  10. 10

    Find the surface area of a rectangular prism 5 cm long, 10 cm wide and 12 cm high.

    5 cm10 cm12 cm
    Answer
  11. 11

    Find the surface area of a cube with edges of 11 in.

    11 in11 in11 in
    Answer
  12. 12

    Find the surface area of a rectangular prism 6 m long, 4 m wide and 11 m high.

    6 m4 m11 m
    Answer

★ Challenge corner for fast finishers

A farm has chickens and cows. There are 12 heads and 36 legs. How many cows are there?

How did I do?

Teacher's comments

Free printable worksheets with answer keys · aethelsystems.com/worksheets/math/7/surface_area

Answer key (click to show)
  1. 1.256 cm²
  2. 2.64 in²
  3. 3.192 m²
  4. 4.342 cm²
  5. 5.242 m²
  6. 6.96 cm²
  7. 7.368 m²
  8. 8.234 cm²
  9. 9.384 in²
  10. 10.460 cm²
  11. 11.726 in²
  12. 12.268 m²
  13. ★6 (challenge corner)

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Guides for teaching Surface Area of Prisms

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Frequently asked questions

Does this Grade 7 Surface Area of Prisms worksheet come with answers?

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