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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 148 · 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 real bridge is 70 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A beam is 120 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 20 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 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?
  5. 5.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) big things fit on paper (d) to hide sizes
  7. 7.📐 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?
  8. 8.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 100 (d) 5
  10. 10.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10000 (c) 10 (d) 100
  13. 13.📐 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?
  14. 14.📐 A beam is 980 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 A beam is 340 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  19. 19.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 10 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 950 cm long. How long is it in metres? =
  28. 28.📐 A beam is 900 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 5 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 On a plan, 1 cm stands for 10 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 5 m. A wall is 5 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 real bridge is 10 m long. How long is it on the plan, in centimetres?
  36. 36.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 60 (d) 1000
  37. 37.📐 A beam is 290 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  40. 40.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 7
  2. 1.2
  3. 100
  4. 220
  5. 16
  6. big things fit on paper
  7. 14
  8. 100
  9. 10
  10. 40
  11. 560
  12. 1000
  13. 34
  14. 9.8
  15. 240
  16. 3.4
  17. 70
  18. 20
  19. 320
  20. 80
  21. 6
  22. 6
  23. 18
  24. 4
  25. 20
  26. 210
  27. 9.5
  28. 9
  29. 30
  30. 120
  31. 85
  32. 12
  33. 18
  34. 25
  35. 2
  36. 100
  37. 2.9
  38. 18
  39. 95
  40. 40

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