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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 697 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 10 (d) 1000
  2. 2.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  3. 3.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 A beam is 760 cm long. How long is it in metres? =
  5. 5.📐 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?
  6. 6.📐 A beam is 770 cm long. How long is it in metres? =
  7. 7.📐 A beam is 200 cm long. How long is it in metres? =
  8. 8.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 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
  14. 14.📐 A beam is 130 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 A beam is 140 cm long. How long is it in metres? =
  17. 17.📐 A beam is 150 cm long. How long is it in metres? =
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A beam is 790 cm long. How long is it in metres? =
  21. 21.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 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 5 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 10 (d) 1000
  25. 25.📐 A beam is 360 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 A beam is 920 cm long. How long is it in metres? =
  28. 28.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  29. 29.📐 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?
  30. 30.📐 A beam is 390 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  32. 32.📐 A beam is 580 cm long. How long is it in metres? =
  33. 33.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 430 cm long. How long is it in metres? =
  35. 35.📐 A beam is 720 cm long. How long is it in metres? =
  36. 36.📐 A beam is 650 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 5 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 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  40. 40.📐 A beam is 110 cm long. How long is it in metres? =

Answer key

  1. 10
  2. 13
  3. 300
  4. 7.6
  5. 22
  6. 7.7
  7. 2
  8. 80
  9. 180
  10. 3
  11. 15
  12. 160
  13. big things fit on paper
  14. 1.3
  15. 240
  16. 1.4
  17. 1.5
  18. 40
  19. 200
  20. 7.9
  21. 360
  22. 25
  23. 26
  24. 100
  25. 3.6
  26. 110
  27. 9.2
  28. 1000
  29. 28
  30. 3.9
  31. 6
  32. 5.8
  33. 10
  34. 4.3
  35. 7.2
  36. 6.5
  37. 7
  38. 8
  39. 20
  40. 1.1

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