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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 389 · 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) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  2. 2.📐 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?
  3. 3.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 1000 (d) 100
  6. 6.📐 On a plan, 1 cm stands for 2 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 A beam is 610 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 950 cm long. How long is it in metres? =
  14. 14.📐 A beam is 710 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  17. 17.📐 A beam is 680 cm long. How long is it in metres? =
  18. 18.📐 A beam is 700 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  20. 20.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 840 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 2 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 A beam is 920 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  30. 30.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  31. 31.📐 A beam is 380 cm long. How long is it in metres? =
  32. 32.📐 A beam is 830 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  35. 35.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  38. 38.📐 A beam is 370 cm long. How long is it in metres? =
  39. 39.📐 A beam is 600 cm long. How long is it in metres? =
  40. 40.📐 A beam is 790 cm long. How long is it in metres? =

Answer key

  1. big things fit on paper
  2. 28
  3. 90
  4. 160
  5. 10
  6. 20
  7. 80
  8. 6.1
  9. 40
  10. 400
  11. 20
  12. 140
  13. 9.5
  14. 7.1
  15. 14
  16. 14
  17. 6.8
  18. 7
  19. 6
  20. 10
  21. 19
  22. 160
  23. 11
  24. 2
  25. 8.4
  26. 14
  27. 9.2
  28. 12
  29. 450
  30. 1000
  31. 3.8
  32. 8.3
  33. 40
  34. 2
  35. 100
  36. 160
  37. 17
  38. 3.7
  39. 6
  40. 7.9

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