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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 727 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
  2. 2.📐 On a plan, 1 cm stands for 20 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 10 (d) 60
  4. 4.📐 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?
  5. 5.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  7. 7.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  10. 10.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  11. 11.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A wall is 19 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 8 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 120 cm long. How long is it in metres? =
  16. 16.📐 A beam is 170 cm long. How long is it in metres? =
  17. 17.📐 A beam is 950 cm long. How long is it in metres? =
  18. 18.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  19. 19.📐 A beam is 890 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A beam is 570 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 A beam is 560 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 2 cm long in the drawing. How long is the real car, in centimetres?
  30. 30.📐 A beam is 820 cm long. How long is it in metres? =
  31. 31.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 A beam is 200 cm long. How long is it in metres? =
  33. 33.📐 A beam is 930 cm long. How long is it in metres? =
  34. 34.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 A beam is 900 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 85 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. big things fit on paper
  2. 280
  3. 100
  4. 12
  5. 60
  6. 7
  7. 10
  8. 200
  9. 18
  10. 1000
  11. 55
  12. 95
  13. 40
  14. 70
  15. 1.2
  16. 1.7
  17. 9.5
  18. 5
  19. 8.9
  20. 28
  21. 90
  22. 50
  23. 38
  24. 120
  25. 120
  26. 5.7
  27. 220
  28. 5.6
  29. 60
  30. 8.2
  31. 330
  32. 2
  33. 9.3
  34. 280
  35. 300
  36. 14
  37. 9
  38. 10
  39. 17
  40. 80

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