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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 745 · 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.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to hide sizes (d) to make them pretty
  2. 2.📐 A beam is 150 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 On a plan, 1 cm stands for 2 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 A beam is 350 cm long. How long is it in metres? =
  7. 7.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  8. 8.📐 On a plan, 1 cm stands for 10 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 A beam is 320 cm long. How long is it in metres? =
  11. 11.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  13. 13.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  14. 14.📐 A beam is 830 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  17. 17.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  19. 19.📐 A beam is 820 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 10 (d) 60
  22. 22.📐 A beam is 760 cm long. How long is it in metres? =
  23. 23.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 A beam is 430 cm long. How long is it in metres? =
  29. 29.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  30. 30.📐 A beam is 510 cm long. How long is it in metres? =
  31. 31.📐 A beam is 500 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 440 cm long. How long is it in metres? =
  34. 34.📐 A beam is 720 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 20 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 920 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  39. 39.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. big things fit on paper
  2. 1.5
  3. 32
  4. 28
  5. 80
  6. 3.5
  7. 1000
  8. 5
  9. 50
  10. 3.2
  11. 60
  12. 10
  13. 13
  14. 8.3
  15. 11
  16. 3
  17. 140
  18. 40
  19. 8.2
  20. 110
  21. 100
  22. 7.6
  23. 16
  24. 140
  25. 40
  26. 30
  27. 10
  28. 4.3
  29. 390
  30. 5.1
  31. 5
  32. 12
  33. 4.4
  34. 7.2
  35. 130
  36. 120
  37. 9.2
  38. 16
  39. 130
  40. 360

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