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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 943 · 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 10 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  2. 2.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  3. 3.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 100 (d) 10
  4. 4.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to make them pretty (d) to save ink only
  5. 5.📐 A beam is 830 cm long. How long is it in metres? =
  6. 6.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 1000 (d) 10
  7. 7.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 A beam is 280 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 A beam is 590 cm long. How long is it in metres? =
  13. 13.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 A beam is 400 cm long. How long is it in metres? =
  18. 18.📐 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?
  19. 19.📐 A beam is 350 cm long. How long is it in metres? =
  20. 20.📐 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?
  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 beam is 890 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 A beam is 260 cm long. How long is it in metres? =
  25. 25.📐 A beam is 200 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 20 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 A beam is 560 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 2 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 250 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 11 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 2 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?

Answer key

  1. 5
  2. 1000
  3. 100
  4. big things fit on paper
  5. 8.3
  6. 10
  7. 270
  8. 90
  9. 2.8
  10. 280
  11. 8
  12. 5.9
  13. 60
  14. 30
  15. 16
  16. 50
  17. 4
  18. 12
  19. 3.5
  20. 40
  21. 19
  22. 8.9
  23. 40
  24. 2.6
  25. 2
  26. 100
  27. 320
  28. 80
  29. 5.6
  30. 18
  31. 150
  32. 3
  33. 2.5
  34. 220
  35. 32
  36. 200
  37. 18
  38. 20
  39. 36
  40. 10

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