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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 320 · 40 questions
TalentJR

Engineer's tip (Multiply to grow, divide to shrink): Real length = drawing length × what 1 cm stands for. Drawing length = real length ÷ what 1 cm stands for. Units: 1 m = 100 cm · 1 cm = 10 mm · 1 km = 1000 m.

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  1. 1.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 A beam is 240 cm long. How long is it in metres? =
  4. 4.📐 A beam is 750 cm long. How long is it in metres? =
  5. 5.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  7. 7.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A beam is 180 cm long. How long is it in metres? =
  12. 12.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 On a plan, 1 cm stands for 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 On a plan, 1 cm stands for 20 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  16. 16.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 1000 (d) 10
  17. 17.📐 A beam is 660 cm long. How long is it in metres? =
  18. 18.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) big things fit on paper (d) to hide sizes
  19. 19.📐 On a plan, 1 cm stands for 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  22. 22.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  26. 26.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 100 (d) 5
  27. 27.📐 A beam is 900 cm long. How long is it in metres? =
  28. 28.📐 A beam is 470 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 2 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A beam is 840 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 On a plan, 1 cm stands for 2 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  36. 36.📐 A beam is 810 cm long. How long is it in metres? =
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 10 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 24
  2. 40
  3. 2.4
  4. 7.5
  5. 400
  6. 220
  7. 16
  8. 4
  9. 14
  10. 10
  11. 1.8
  12. 12
  13. 15
  14. 220
  15. 13
  16. 100
  17. 6.6
  18. big things fit on paper
  19. 130
  20. 20
  21. 12
  22. 5
  23. 160
  24. 6
  25. 15
  26. 10
  27. 9
  28. 4.7
  29. 15
  30. 60
  31. 8.4
  32. 10
  33. 260
  34. 8
  35. 3
  36. 8.1
  37. 120
  38. 80
  39. 14
  40. 200

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