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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 275 · 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.📐 On a plan, 1 cm stands for 10 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 870 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 1000 (d) 10000
  5. 5.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  6. 6.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  7. 7.📐 A beam is 200 cm long. How long is it in metres? =
  8. 8.📐 A beam is 570 cm long. How long is it in metres? =
  9. 9.📐 On a plan, 1 cm stands for 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  15. 15.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 5 m. A wall is 12 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 19 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A beam is 830 cm long. How long is it in metres? =
  21. 21.📐 A beam is 170 cm long. How long is it in metres? =
  22. 22.📐 A beam is 740 cm long. How long is it in metres? =
  23. 23.📐 A beam is 280 cm long. How long is it in metres? =
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) to hide sizes (d) big things fit on paper
  29. 29.📐 A beam is 330 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 5 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 590 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 A beam is 880 cm long. How long is it in metres? =
  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 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 20 m. A real bridge is 400 m long. How long is it on the plan, in centimetres?
  40. 40.📐 A beam is 150 cm long. How long is it in metres? =

Answer key

  1. 30
  2. 8.7
  3. 120
  4. 1000
  5. 7
  6. 6
  7. 2
  8. 5.7
  9. 40
  10. 9
  11. 120
  12. 100
  13. 200
  14. 14
  15. 150
  16. 440
  17. 19
  18. 60
  19. 190
  20. 8.3
  21. 1.7
  22. 7.4
  23. 2.8
  24. 17
  25. 3
  26. 15
  27. 160
  28. big things fit on paper
  29. 3.3
  30. 6
  31. 5.9
  32. 40
  33. 8.8
  34. 100
  35. 4
  36. 280
  37. 220
  38. 8
  39. 20
  40. 1.5

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