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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 345 · 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.📐 A beam is 690 cm long. How long is it in metres? =
  2. 2.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 A beam is 120 cm long. How long is it in metres? =
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  7. 7.📐 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?
  8. 8.📐 A beam is 160 cm long. How long is it in metres? =
  9. 9.📐 A beam is 280 cm long. How long is it in metres? =
  10. 10.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 60 (d) 100
  14. 14.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  15. 15.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to hide sizes (d) to make them pretty
  16. 16.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  17. 17.📐 A beam is 730 cm long. How long is it in metres? =
  18. 18.📐 A beam is 930 cm long. How long is it in metres? =
  19. 19.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  20. 20.📐 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?
  21. 21.📐 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?
  22. 22.📐 A beam is 140 cm long. How long is it in metres? =
  23. 23.📐 A beam is 810 cm long. How long is it in metres? =
  24. 24.📐 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?
  25. 25.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 320 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 5 m. A wall is 13 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 model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 A beam is 920 cm long. How long is it in metres? =
  39. 39.📐 A beam is 460 cm long. How long is it in metres? =
  40. 40.📐 A beam is 380 cm long. How long is it in metres? =

Answer key

  1. 6.9
  2. 170
  3. 1.2
  4. 120
  5. 300
  6. 180
  7. 15
  8. 1.6
  9. 2.8
  10. 20
  11. 9
  12. 120
  13. 100
  14. 5
  15. big things fit on paper
  16. 10
  17. 7.3
  18. 9.3
  19. 1000
  20. 60
  21. 14
  22. 1.4
  23. 8.1
  24. 180
  25. 360
  26. 130
  27. 15
  28. 17
  29. 2
  30. 45
  31. 240
  32. 11
  33. 3.2
  34. 65
  35. 2.4
  36. 70
  37. 100
  38. 9.2
  39. 4.6
  40. 3.8

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