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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 579 · 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.📐 A beam is 510 cm long. How long is it in metres? =
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  6. 6.📐 A beam is 370 cm long. How long is it in metres? =
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 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?
  11. 11.📐 How many metres are in 1 kilometre? (a) 1000 (b) 100 (c) 10 (d) 10000
  12. 12.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to save ink only (d) to hide sizes
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A beam is 720 cm long. How long is it in metres? =
  17. 17.📐 A model car is drawn so that 1 cm stands for 40 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 17 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 9 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
  21. 21.📐 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?
  22. 22.📐 A beam is 400 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 A beam is 560 cm long. How long is it in metres? =
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 A beam is 970 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 5.1
  2. 180
  3. 35
  4. 120
  5. 13
  6. 3.7
  7. 10
  8. 85
  9. 240
  10. 95
  11. 1000
  12. big things fit on paper
  13. 20
  14. 80
  15. 30
  16. 7.2
  17. 280
  18. 170
  19. 90
  20. 10
  21. 9
  22. 4
  23. 32
  24. 320
  25. 600
  26. 12
  27. 18
  28. 240
  29. 5.6
  30. 14
  31. 7
  32. 50
  33. 80
  34. 19
  35. 19
  36. 70
  37. 150
  38. 9.7
  39. 12
  40. 20

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