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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 823 · 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 save ink only (c) to make them pretty (d) big things fit on paper
  2. 2.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 On a plan, 1 cm stands for 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 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?
  5. 5.📐 A beam is 280 cm long. How long is it in metres? =
  6. 6.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  7. 7.📐 A beam is 770 cm long. How long is it in metres? =
  8. 8.📐 A beam is 520 cm long. How long is it in metres? =
  9. 9.📐 A beam is 990 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 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?
  13. 13.📐 On a plan, 1 cm stands for 2 m. A real bridge is 34 m long. How long is it on the plan, in centimetres?
  14. 14.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 230 cm long. How long is it in metres? =
  16. 16.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  17. 17.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 660 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 A beam is 330 cm long. How long is it in metres? =
  22. 22.📐 A beam is 920 cm long. How long is it in metres? =
  23. 23.📐 A beam is 160 cm long. How long is it in metres? =
  24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 180 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 1000 (d) 100
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 A beam is 300 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 5 m. A wall is 16 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 13 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 530 cm long. How long is it in metres? =
  38. 38.📐 A beam is 780 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. big things fit on paper
  2. 110
  3. 180
  4. 300
  5. 2.8
  6. 100
  7. 7.7
  8. 5.2
  9. 9.9
  10. 8
  11. 35
  12. 11
  13. 17
  14. 30
  15. 2.3
  16. 1000
  17. 2
  18. 6.6
  19. 160
  20. 80
  21. 3.3
  22. 9.2
  23. 1.6
  24. 3
  25. 1.8
  26. 20
  27. 22
  28. 28
  29. 10
  30. 3
  31. 16
  32. 3
  33. 180
  34. 5
  35. 80
  36. 260
  37. 5.3
  38. 7.8
  39. 140
  40. 60

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