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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 324 · 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 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  3. 3.📐 A beam is 510 cm long. How long is it in metres? =
  4. 4.📐 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?
  5. 5.📐 A beam is 410 cm long. How long is it in metres? =
  6. 6.📐 A beam is 780 cm long. How long is it in metres? =
  7. 7.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  13. 13.📐 A beam is 660 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  16. 16.📐 A beam is 970 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) to make them pretty (d) big things fit on paper
  19. 19.📐 A beam is 620 cm long. How long is it in metres? =
  20. 20.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  21. 21.📐 On a plan, 1 cm stands for 5 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 A beam is 840 cm long. How long is it in metres? =
  25. 25.📐 A beam is 320 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 A beam is 830 cm long. How long is it in metres? =
  28. 28.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  29. 29.📐 A beam is 190 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 A beam is 400 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 A beam is 300 cm long. How long is it in metres? =
  36. 36.📐 A beam is 490 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 20
  2. 9
  3. 5.1
  4. 80
  5. 4.1
  6. 7.8
  7. 17
  8. 12
  9. 24
  10. 8
  11. 11
  12. 10
  13. 6.6
  14. 2
  15. 100
  16. 9.7
  17. 38
  18. big things fit on paper
  19. 6.2
  20. 1000
  21. 2
  22. 60
  23. 130
  24. 8.4
  25. 3.2
  26. 30
  27. 8.3
  28. 330
  29. 1.9
  30. 20
  31. 4
  32. 240
  33. 120
  34. 12
  35. 3
  36. 4.9
  37. 10
  38. 9
  39. 390
  40. 50

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