FreeMath
Grade 6hard

Surface Area of 3D Shapes Practice

Calculate surface area of cubes and rectangular prisms. Surface area skills apply to packaging, construction, and design.

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All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.Cube: side=3. Surface area = ?
  2. 2.Rectangular prism: l=4, w=3, h=2. Surface area = ?
  3. 3.Cube: side=5. Surface area = ?
  4. 4.Rectangular prism: l=6, w=4, h=2. Surface area = ?
  5. 5.Cube: side=4. Surface area = ?
  6. 6.Rectangular prism: l=5, w=5, h=3. Surface area = ?
  7. 7.Cube: side=6. Surface area = ?
  8. 8.Rectangular prism: l=8, w=3, h=2. Surface area = ?
  9. 9.Cube: side=2. Surface area = ?
  10. 10.Rectangular prism: l=10, w=4, h=3. Surface area = ?
  11. 11.Cube: side=7. Surface area = ?
  12. 12.Rectangular prism: l=5, w=4, h=4. Surface area = ?
  13. 13.Cube: surface area=24. Side = ?
  14. 14.Rectangular prism: l=6, w=5, h=4. Surface area = ?
  15. 15.Cube: side=8. Surface area = ?
  16. 16.Rectangular prism: l=7, w=6, h=2. Surface area = ?
  17. 17.Cube: surface area=54. Side = ?
  18. 18.Rectangular prism: l=9, w=5, h=3. Surface area = ?
  19. 19.Cube: side=10. Surface area = ?
  20. 20.Rectangular prism: l=8, w=6, h=4. Surface area = ?
Show answer key
  1. 1.Cube: side=3. Surface area = ? Answer: 54
  2. 2.Rectangular prism: l=4, w=3, h=2. Surface area = ? Answer: 52
  3. 3.Cube: side=5. Surface area = ? Answer: 150
  4. 4.Rectangular prism: l=6, w=4, h=2. Surface area = ? Answer: 88
  5. 5.Cube: side=4. Surface area = ? Answer: 96
  6. 6.Rectangular prism: l=5, w=5, h=3. Surface area = ? Answer: 110
  7. 7.Cube: side=6. Surface area = ? Answer: 216
  8. 8.Rectangular prism: l=8, w=3, h=2. Surface area = ? Answer: 92
  9. 9.Cube: side=2. Surface area = ? Answer: 24
  10. 10.Rectangular prism: l=10, w=4, h=3. Surface area = ? Answer: 164
  11. 11.Cube: side=7. Surface area = ? Answer: 294
  12. 12.Rectangular prism: l=5, w=4, h=4. Surface area = ? Answer: 112
  13. 13.Cube: surface area=24. Side = ? Answer: 2
  14. 14.Rectangular prism: l=6, w=5, h=4. Surface area = ? Answer: 148
  15. 15.Cube: side=8. Surface area = ? Answer: 384
  16. 16.Rectangular prism: l=7, w=6, h=2. Surface area = ? Answer: 136
  17. 17.Cube: surface area=54. Side = ? Answer: 3
  18. 18.Rectangular prism: l=9, w=5, h=3. Surface area = ? Answer: 174
  19. 19.Cube: side=10. Surface area = ? Answer: 600
  20. 20.Rectangular prism: l=8, w=6, h=4. Surface area = ? Answer: 208

About This Practice

These 20 problems develop understanding of 3D shape surface calculations.

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