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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 126 · 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 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A beam is 530 cm long. How long is it in metres? =
  3. 3.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 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?
  5. 5.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  6. 6.📐 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?
  7. 7.📐 A beam is 120 cm long. How long is it in metres? =
  8. 8.📐 A beam is 550 cm long. How long is it in metres? =
  9. 9.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  10. 10.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 10000 (d) 100
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 On a plan, 1 cm stands for 2 m. A real bridge is 34 m long. How long is it on the plan, in centimetres?
  14. 14.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 750 cm long. How long is it in metres? =
  16. 16.📐 A beam is 210 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 7 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 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?
  19. 19.📐 A beam is 250 cm long. How long is it in metres? =
  20. 20.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 100 (d) 10
  21. 21.📐 A beam is 470 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 670 cm long. How long is it in metres? =
  28. 28.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
  29. 29.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  30. 30.📐 On a plan, 1 cm stands for 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  32. 32.📐 A beam is 570 cm long. How long is it in metres? =
  33. 33.📐 A beam is 590 cm long. How long is it in metres? =
  34. 34.📐 A beam is 780 cm long. How long is it in metres? =
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 3
  2. 5.3
  3. 270
  4. 240
  5. big things fit on paper
  6. 80
  7. 1.2
  8. 5.5
  9. 13
  10. 1000
  11. 7
  12. 35
  13. 17
  14. 100
  15. 7.5
  16. 2.1
  17. 210
  18. 30
  19. 2.5
  20. 100
  21. 4.7
  22. 360
  23. 50
  24. 18
  25. 2
  26. 220
  27. 6.7
  28. 13
  29. 5
  30. 130
  31. 10
  32. 5.7
  33. 5.9
  34. 7.8
  35. 16
  36. 5
  37. 70
  38. 14
  39. 12
  40. 160

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