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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 380 · 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 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A beam is 390 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 4 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 1000 (d) 100
  8. 8.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to save ink only (d) to hide sizes
  9. 9.📐 How many centimetres are in 1 metre? (a) 1000 (b) 10 (c) 100 (d) 60
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 10 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  20. 20.📐 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?
  21. 21.📐 A beam is 360 cm long. How long is it in metres? =
  22. 22.📐 A beam is 530 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 A beam is 430 cm long. How long is it in metres? =
  25. 25.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A beam is 750 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 10 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  29. 29.📐 A beam is 910 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 5 m. A wall is 16 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 wall is 18 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 A beam is 310 cm long. How long is it in metres? =
  36. 36.📐 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?
  37. 37.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 18
  2. 3.9
  3. 40
  4. 26
  5. 40
  6. 260
  7. 10
  8. big things fit on paper
  9. 100
  10. 13
  11. 70
  12. 4
  13. 40
  14. 16
  15. 12
  16. 70
  17. 360
  18. 120
  19. 18
  20. 190
  21. 3.6
  22. 5.3
  23. 30
  24. 4.3
  25. 420
  26. 7.5
  27. 150
  28. 2
  29. 9.1
  30. 19
  31. 80
  32. 360
  33. 100
  34. 320
  35. 3.1
  36. 20
  37. 1000
  38. 90
  39. 45
  40. 120

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