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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 601 · 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 make them pretty (b) to save ink only (c) big things fit on paper (d) to hide sizes
  2. 2.📐 A beam is 880 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 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?
  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 wall is 4 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 14 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 A beam is 210 cm long. How long is it in metres? =
  11. 11.📐 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?
  12. 12.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 1000 (d) 10
  13. 13.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 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?
  15. 15.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 100 (d) 10
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 480 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A beam is 800 cm long. How long is it in metres? =
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 22 m long. How long is it on the plan, in centimetres?
  25. 25.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  26. 26.📐 A beam is 940 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 A beam is 560 cm long. How long is it in metres? =
  33. 33.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  36. 36.📐 A beam is 180 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 A beam is 470 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 10 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  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. big things fit on paper
  2. 8.8
  3. 80
  4. 200
  5. 60
  6. 8
  7. 280
  8. 30
  9. 14
  10. 2.1
  11. 16
  12. 100
  13. 280
  14. 14
  15. 10
  16. 90
  17. 12
  18. 60
  19. 200
  20. 320
  21. 4.8
  22. 14
  23. 8
  24. 11
  25. 1000
  26. 9.4
  27. 9
  28. 240
  29. 280
  30. 20
  31. 12
  32. 5.6
  33. 9
  34. 100
  35. 9
  36. 1.8
  37. 120
  38. 4.7
  39. 7
  40. 10

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