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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 667 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 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?
  2. 2.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 A beam is 730 cm long. How long is it in metres? =
  4. 4.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  5. 5.📐 A beam is 290 cm long. How long is it in metres? =
  6. 6.📐 A beam is 780 cm long. How long is it in metres? =
  7. 7.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 5 m. A real bridge is 85 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 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?
  14. 14.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  15. 15.📐 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?
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A beam is 670 cm long. How long is it in metres? =
  18. 18.📐 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?
  19. 19.📐 A beam is 510 cm long. How long is it in metres? =
  20. 20.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 700 cm long. How long is it in metres? =
  22. 22.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  23. 23.📐 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?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 2 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 A beam is 120 cm long. How long is it in metres? =
  30. 30.📐 A beam is 800 cm long. How long is it in metres? =
  31. 31.📐 A beam is 220 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to make them pretty (d) to save ink only
  34. 34.📐 A beam is 210 cm long. How long is it in metres? =
  35. 35.📐 A beam is 160 cm long. How long is it in metres? =
  36. 36.📐 A beam is 950 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  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 7 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 4
  2. 520
  3. 7.3
  4. 10
  5. 2.9
  6. 7.8
  7. 1000
  8. 4
  9. 17
  10. 12
  11. 440
  12. 4
  13. 8
  14. 100
  15. 130
  16. 80
  17. 6.7
  18. 80
  19. 5.1
  20. 450
  21. 7
  22. 10
  23. 6
  24. 6
  25. 60
  26. 8
  27. 120
  28. 22
  29. 1.2
  30. 8
  31. 2.2
  32. 11
  33. big things fit on paper
  34. 2.1
  35. 1.6
  36. 9.5
  37. 2
  38. 20
  39. 95
  40. 140

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