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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 170 · 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.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) to hide sizes (d) big things fit on paper
  2. 2.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 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?
  4. 4.📐 A beam is 570 cm long. How long is it in metres? =
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 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?
  8. 8.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 2 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A beam is 820 cm long. How long is it in metres? =
  12. 12.📐 A beam is 360 cm long. How long is it in metres? =
  13. 13.📐 On a plan, 1 cm stands for 5 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 10 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  16. 16.📐 A beam is 750 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 6 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 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?
  19. 19.📐 A beam is 250 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 A beam is 460 cm long. How long is it in metres? =
  24. 24.📐 A beam is 140 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 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 2 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 A beam is 320 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A beam is 130 cm long. How long is it in metres? =
  30. 30.📐 A beam is 620 cm long. How long is it in metres? =
  31. 31.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  32. 32.📐 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?
  33. 33.📐 A beam is 470 cm long. How long is it in metres? =
  34. 34.📐 A beam is 640 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 A beam is 380 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 A beam is 690 cm long. How long is it in metres? =
  39. 39.📐 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?
  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. big things fit on paper
  2. 45
  3. 13
  4. 5.7
  5. 120
  6. 60
  7. 30
  8. 10
  9. 17
  10. 20
  11. 8.2
  12. 3.6
  13. 25
  14. 6
  15. 12
  16. 7.5
  17. 240
  18. 12
  19. 2.5
  20. 30
  21. 300
  22. 10
  23. 4.6
  24. 1.4
  25. 9
  26. 40
  27. 3.2
  28. 180
  29. 1.3
  30. 6.2
  31. 1000
  32. 360
  33. 4.7
  34. 6.4
  35. 440
  36. 3.8
  37. 16
  38. 6.9
  39. 22
  40. 160

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