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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 534 · 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 14 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 1000 (d) 10
  3. 3.📐 A beam is 910 cm long. How long is it in metres? =
  4. 4.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  5. 5.📐 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?
  6. 6.📐 A beam is 500 cm long. How long is it in metres? =
  7. 7.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  8. 8.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to hide sizes (d) to save ink only
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 A beam is 200 cm long. How long is it in metres? =
  13. 13.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 How many metres are in 1 kilometre? (a) 100 (b) 1000 (c) 10 (d) 10000
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  17. 17.📐 A beam is 620 cm long. How long is it in metres? =
  18. 18.📐 A beam is 880 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 370 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 600 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 A beam is 300 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 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?
  35. 35.📐 A beam is 120 cm long. How long is it in metres? =
  36. 36.📐 A beam is 690 cm long. How long is it in metres? =
  37. 37.📐 A beam is 110 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?

Answer key

  1. 140
  2. 100
  3. 9.1
  4. 12
  5. 200
  6. 5
  7. 7
  8. big things fit on paper
  9. 3
  10. 210
  11. 20
  12. 2
  13. 120
  14. 1000
  15. 12
  16. 14
  17. 6.2
  18. 8.8
  19. 16
  20. 140
  21. 3.7
  22. 7
  23. 110
  24. 10
  25. 10
  26. 8
  27. 16
  28. 6
  29. 50
  30. 200
  31. 20
  32. 3
  33. 20
  34. 40
  35. 1.2
  36. 6.9
  37. 1.1
  38. 80
  39. 150
  40. 2

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