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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 932 · 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 make them pretty (b) big things fit on paper (c) to hide sizes (d) to save ink only
  2. 2.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 100 (d) 10
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  5. 5.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 A beam is 480 cm long. How long is it in metres? =
  7. 7.📐 How many metres are in 1 kilometre? (a) 10000 (b) 1000 (c) 10 (d) 100
  8. 8.📐 A beam is 730 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 410 cm long. How long is it in metres? =
  12. 12.📐 A beam is 500 cm long. How long is it in metres? =
  13. 13.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 A beam is 590 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  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.📐 A beam is 620 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 350 cm long. How long is it in metres? =
  23. 23.📐 How many centimetres are in 1 metre? (a) 1000 (b) 10 (c) 100 (d) 60
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 960 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 810 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 A beam is 610 cm long. How long is it in metres? =
  40. 40.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. big things fit on paper
  2. 10
  3. 14
  4. 18
  5. 160
  6. 4.8
  7. 1000
  8. 7.3
  9. 5
  10. 3
  11. 4.1
  12. 5
  13. 270
  14. 5.9
  15. 6
  16. 8
  17. 260
  18. 16
  19. 6.2
  20. 15
  21. 110
  22. 3.5
  23. 100
  24. 10
  25. 40
  26. 2
  27. 200
  28. 12
  29. 20
  30. 420
  31. 560
  32. 13
  33. 9.6
  34. 20
  35. 36
  36. 50
  37. 8.1
  38. 60
  39. 6.1
  40. 330

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