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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 504 · 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 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?
  2. 2.📐 A beam is 780 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 A beam is 990 cm long. How long is it in metres? =
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  6. 6.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 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 wall is 12 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 180 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 12 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 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?
  13. 13.📐 A beam is 230 cm long. How long is it in metres? =
  14. 14.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  15. 15.📐 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?
  16. 16.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  17. 17.📐 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?
  18. 18.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  19. 19.📐 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?
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 190 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 A beam is 390 cm long. How long is it in metres? =
  27. 27.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 10000 (d) 1000
  28. 28.📐 A beam is 450 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 310 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 A beam is 470 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 200
  2. 7.8
  3. 28
  4. 9.9
  5. 10
  6. 560
  7. 120
  8. 12
  9. 450
  10. 18
  11. 240
  12. 30
  13. 2.3
  14. 100
  15. 17
  16. big things fit on paper
  17. 300
  18. 11
  19. 4
  20. 240
  21. 1.9
  22. 14
  23. 12
  24. 65
  25. 90
  26. 3.9
  27. 1000
  28. 4.5
  29. 20
  30. 13
  31. 3.1
  32. 210
  33. 9
  34. 13
  35. 10
  36. 15
  37. 4.7
  38. 15
  39. 26
  40. 16

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