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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 858 · 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 save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
  2. 2.📐 A beam is 630 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 A beam is 460 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 10 m. A wall is 13 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 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 100 (c) 1000 (d) 5
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 A beam is 390 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 A beam is 360 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  27. 27.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 A beam is 740 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 A beam is 240 cm long. How long is it in metres? =
  36. 36.📐 A beam is 270 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 940 cm long. How long is it in metres? =
  39. 39.📐 A beam is 470 cm long. How long is it in metres? =
  40. 40.📐 A beam is 680 cm long. How long is it in metres? =

Answer key

  1. big things fit on paper
  2. 6.3
  3. 40
  4. 40
  5. 4.6
  6. 130
  7. 30
  8. 45
  9. 1000
  10. 4
  11. 40
  12. 240
  13. 10
  14. 160
  15. 15
  16. 4
  17. 17
  18. 80
  19. 3.9
  20. 6
  21. 90
  22. 18
  23. 180
  24. 3.6
  25. 5
  26. 100
  27. 120
  28. 7.4
  29. 3
  30. 120
  31. 120
  32. 16
  33. 280
  34. 50
  35. 2.4
  36. 2.7
  37. 7
  38. 9.4
  39. 4.7
  40. 6.8

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