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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 999 · 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.📐 A beam is 130 cm long. How long is it in metres? =
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 10 (d) 1000
  5. 5.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to hide sizes (d) to save ink only
  6. 6.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 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?
  8. 8.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  9. 9.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A beam is 720 cm long. How long is it in metres? =
  12. 12.📐 A beam is 960 cm long. How long is it in metres? =
  13. 13.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10000 (c) 100 (d) 10
  14. 14.📐 On a plan, 1 cm stands for 2 m. A wall is 16 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 wall is 3 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 550 cm long. How long is it in metres? =
  23. 23.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 A beam is 390 cm long. How long is it in metres? =
  25. 25.📐 A beam is 430 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 A beam is 140 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 5 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 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 20 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 1.3
  2. 9
  3. 110
  4. 100
  5. big things fit on paper
  6. 160
  7. 14
  8. 15
  9. 180
  10. 35
  11. 7.2
  12. 9.6
  13. 1000
  14. 32
  15. 60
  16. 80
  17. 6
  18. 160
  19. 30
  20. 9
  21. 95
  22. 5.5
  23. 260
  24. 3.9
  25. 4.3
  26. 360
  27. 1.4
  28. 140
  29. 15
  30. 34
  31. 6
  32. 30
  33. 14
  34. 38
  35. 55
  36. 40
  37. 16
  38. 8
  39. 3
  40. 40

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