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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 108 · 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 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  2. 2.📐 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?
  3. 3.📐 On a plan, 1 cm stands for 10 m. A real bridge is 150 m long. How long is it on the plan, in centimetres?
  4. 4.📐 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?
  5. 5.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  6. 6.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 A beam is 480 cm long. How long is it in metres? =
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 380 cm long. How long is it in metres? =
  14. 14.📐 A beam is 560 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 10 (d) 60
  18. 18.📐 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?
  19. 19.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 10000 (d) 100
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 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?
  23. 23.📐 A beam is 270 cm long. How long is it in metres? =
  24. 24.📐 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?
  25. 25.📐 A beam is 910 cm long. How long is it in metres? =
  26. 26.📐 A beam is 250 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 A beam is 590 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 830 cm long. How long is it in metres? =
  32. 32.📐 A beam is 430 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 14 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 300 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 A beam is 640 cm long. How long is it in metres? =
  37. 37.📐 A beam is 700 cm long. How long is it in metres? =
  38. 38.📐 A beam is 570 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. 3
  2. 14
  3. 15
  4. 140
  5. big things fit on paper
  6. 380
  7. 19
  8. 4
  9. 8
  10. 60
  11. 4.8
  12. 60
  13. 3.8
  14. 5.6
  15. 10
  16. 120
  17. 100
  18. 16
  19. 1000
  20. 11
  21. 40
  22. 35
  23. 2.7
  24. 110
  25. 9.1
  26. 2.5
  27. 80
  28. 300
  29. 5.9
  30. 19
  31. 8.3
  32. 4.3
  33. 280
  34. 3
  35. 17
  36. 6.4
  37. 7
  38. 5.7
  39. 12
  40. 40

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