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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 891 · 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.

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  1. 1.📐 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?
  2. 2.📐 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?
  3. 3.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to save ink only (d) to make them pretty
  4. 4.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 100 (d) 1000
  5. 5.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  6. 6.📐 A beam is 210 cm long. How long is it in metres? =
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 A beam is 160 cm long. How long is it in metres? =
  11. 11.📐 A beam is 300 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 A beam is 390 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A beam is 450 cm long. How long is it in metres? =
  17. 17.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 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 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  19. 19.📐 A beam is 220 cm long. How long is it in metres? =
  20. 20.📐 A beam is 530 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 A beam is 850 cm long. How long is it in metres? =
  23. 23.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 440 cm long. How long is it in metres? =
  26. 26.📐 A beam is 760 cm long. How long is it in metres? =
  27. 27.📐 A beam is 870 cm long. How long is it in metres? =
  28. 28.📐 A beam is 930 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 2 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 60 (d) 100
  31. 31.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 2 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 480 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 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 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  37. 37.📐 A beam is 590 cm long. How long is it in metres? =
  38. 38.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. 80
  2. 14
  3. big things fit on paper
  4. 10
  5. 14
  6. 2.1
  7. 4
  8. 40
  9. 10
  10. 1.6
  11. 3
  12. 8
  13. 3.9
  14. 190
  15. 2
  16. 4.5
  17. 240
  18. 110
  19. 2.2
  20. 5.3
  21. 7
  22. 8.5
  23. 200
  24. 17
  25. 4.4
  26. 7.6
  27. 8.7
  28. 9.3
  29. 6
  30. 100
  31. 60
  32. 10
  33. 18
  34. 4.8
  35. 280
  36. 420
  37. 5.9
  38. 80
  39. 8
  40. 14

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