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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 471 · 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.

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  1. 1.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A beam is 210 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 A beam is 770 cm long. How long is it in metres? =
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  7. 7.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  8. 8.📐 A beam is 240 cm long. How long is it in metres? =
  9. 9.📐 A beam is 140 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  13. 13.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  14. 14.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 100 (d) 1000
  15. 15.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to save ink only (d) to hide sizes
  16. 16.📐 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?
  17. 17.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 A beam is 130 cm long. How long is it in metres? =
  19. 19.📐 A beam is 200 cm long. How long is it in metres? =
  20. 20.📐 A beam is 510 cm long. How long is it in metres? =
  21. 21.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 630 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 A beam is 970 cm long. How long is it in metres? =
  37. 37.📐 A beam is 270 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  39. 39.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 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?

Answer key

  1. 6
  2. 2.1
  3. 10
  4. 7.7
  5. 150
  6. 18
  7. 1000
  8. 2.4
  9. 1.4
  10. 160
  11. 18
  12. 8
  13. 14
  14. 10
  15. big things fit on paper
  16. 260
  17. 210
  18. 1.3
  19. 2
  20. 5.1
  21. 60
  22. 520
  23. 160
  24. 30
  25. 10
  26. 170
  27. 100
  28. 12
  29. 320
  30. 50
  31. 22
  32. 70
  33. 110
  34. 6.3
  35. 5
  36. 9.7
  37. 2.7
  38. 3
  39. 150
  40. 120

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