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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 48 · 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.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
  2. 2.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  3. 3.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 100 (d) 60
  4. 4.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 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 20 m long. How long is it on the plan, in centimetres?
  6. 6.📐 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?
  7. 7.📐 A beam is 810 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 720 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 A beam is 270 cm long. How long is it in metres? =
  15. 15.📐 A beam is 990 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 A beam is 420 cm long. How long is it in metres? =
  18. 18.📐 A beam is 840 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 950 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 A beam is 460 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 A beam is 960 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 20 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to make them pretty (d) to save ink only
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 A beam is 510 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 A beam is 570 cm long. How long is it in metres? =
  40. 40.📐 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?

Answer key

  1. 10
  2. 1000
  3. 100
  4. 9
  5. 10
  6. 200
  7. 8.1
  8. 60
  9. 240
  10. 4
  11. 7.2
  12. 35
  13. 80
  14. 2.7
  15. 9.9
  16. 14
  17. 4.2
  18. 8.4
  19. 270
  20. 12
  21. 9.5
  22. 8
  23. 200
  24. 55
  25. 4.6
  26. 240
  27. 150
  28. 280
  29. 9.6
  30. 280
  31. 20
  32. big things fit on paper
  33. 6
  34. 36
  35. 600
  36. 5.1
  37. 120
  38. 15
  39. 5.7
  40. 19

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