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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 394 · 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 10 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 800 cm long. How long is it in metres? =
  3. 3.📐 A beam is 950 cm long. How long is it in metres? =
  4. 4.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  5. 5.📐 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?
  6. 6.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 10 (d) 5
  7. 7.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) to make them pretty (d) big things fit on paper
  8. 8.📐 A beam is 910 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 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?
  13. 13.📐 A beam is 830 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 A beam is 680 cm long. How long is it in metres? =
  16. 16.📐 A beam is 310 cm long. How long is it in metres? =
  17. 17.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 A beam is 240 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 880 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A wall is 6 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 8 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 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?
  26. 26.📐 A beam is 590 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 10 m. A real bridge is 150 m long. How long is it on the plan, in centimetres?
  28. 28.📐 How many metres are in 1 kilometre? (a) 1000 (b) 100 (c) 10 (d) 10000
  29. 29.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  30. 30.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 A beam is 330 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  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. 190
  2. 8
  3. 9.5
  4. 8
  5. 4
  6. 10
  7. big things fit on paper
  8. 9.1
  9. 5
  10. 11
  11. 60
  12. 440
  13. 8.3
  14. 280
  15. 6.8
  16. 3.1
  17. 30
  18. 2.4
  19. 95
  20. 300
  21. 8.8
  22. 19
  23. 120
  24. 160
  25. 70
  26. 5.9
  27. 15
  28. 1000
  29. 11
  30. 10
  31. 3.3
  32. 2
  33. 80
  34. 200
  35. 360
  36. 19
  37. 120
  38. 6
  39. 13
  40. 160

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