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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 235 · 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 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 670 cm long. How long is it in metres? =
  3. 3.📐 How many metres are in 1 kilometre? (a) 1000 (b) 100 (c) 10000 (d) 10
  4. 4.📐 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?
  5. 5.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  6. 6.📐 A beam is 730 cm long. How long is it in metres? =
  7. 7.📐 A beam is 170 cm long. How long is it in metres? =
  8. 8.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 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?
  10. 10.📐 A beam is 880 cm long. How long is it in metres? =
  11. 11.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 1000 (d) 60
  13. 13.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) big things fit on paper (d) to save ink only
  14. 14.📐 A beam is 220 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 2 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 wall is 15 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 A beam is 820 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 1000 (d) 100
  24. 24.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 5 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A beam is 890 cm long. How long is it in metres? =
  28. 28.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 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 10 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A beam is 430 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 A beam is 750 cm long. How long is it in metres? =
  33. 33.📐 A beam is 680 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 A beam is 610 cm long. How long is it in metres? =
  36. 36.📐 A beam is 320 cm long. How long is it in metres? =
  37. 37.📐 A beam is 420 cm long. How long is it in metres? =
  38. 38.📐 A beam is 280 cm long. How long is it in metres? =
  39. 39.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?

Answer key

  1. 180
  2. 6.7
  3. 1000
  4. 40
  5. 19
  6. 7.3
  7. 1.7
  8. 600
  9. 80
  10. 8.8
  11. 280
  12. 100
  13. big things fit on paper
  14. 2.2
  15. 10
  16. 300
  17. 14
  18. 16
  19. 150
  20. 8.2
  21. 240
  22. 30
  23. 10
  24. 120
  25. 100
  26. 6
  27. 8.9
  28. 400
  29. 2
  30. 4.3
  31. 3
  32. 7.5
  33. 6.8
  34. 20
  35. 6.1
  36. 3.2
  37. 4.2
  38. 2.8
  39. 390
  40. 5

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