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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 499 · 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) 1000 (b) 5 (c) 10 (d) 100
  2. 2.📐 On a plan, 1 cm stands for 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 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?
  5. 5.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 10000 (d) 100
  6. 6.📐 A beam is 230 cm long. How long is it in metres? =
  7. 7.📐 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
  8. 8.📐 How many centimetres are in 1 metre? (a) 1000 (b) 10 (c) 60 (d) 100
  9. 9.📐 A beam is 140 cm long. How long is it in metres? =
  10. 10.📐 On a plan, 1 cm stands for 20 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A beam is 950 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 200 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 A beam is 590 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 A beam is 780 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 A beam is 820 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 A beam is 470 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 A beam is 710 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  40. 40.📐 A beam is 380 cm long. How long is it in metres? =

Answer key

  1. 10
  2. 340
  3. 280
  4. 40
  5. 1000
  6. 2.3
  7. big things fit on paper
  8. 100
  9. 1.4
  10. 80
  11. 9.5
  12. 3
  13. 30
  14. 5
  15. 11
  16. 15
  17. 8
  18. 2
  19. 120
  20. 320
  21. 5.9
  22. 6
  23. 160
  24. 7.8
  25. 40
  26. 20
  27. 110
  28. 2
  29. 14
  30. 90
  31. 8.2
  32. 120
  33. 220
  34. 4.7
  35. 300
  36. 240
  37. 7.1
  38. 4
  39. 170
  40. 3.8

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