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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 653 · 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 wall is 2 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 170 cm long. How long is it in metres? =
  3. 3.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  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.📐 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?
  6. 6.📐 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?
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 60 (d) 10
  10. 10.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 A beam is 250 cm long. How long is it in metres? =
  12. 12.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 A beam is 130 cm long. How long is it in metres? =
  15. 15.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 100 (d) 1000
  16. 16.📐 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?
  17. 17.📐 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
  18. 18.📐 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?
  19. 19.📐 A beam is 140 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 230 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  24. 24.📐 On a plan, 1 cm stands for 20 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 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?
  26. 26.📐 A beam is 550 cm long. How long is it in metres? =
  27. 27.📐 A beam is 400 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A beam is 630 cm long. How long is it in metres? =
  30. 30.📐 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?
  31. 31.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 A beam is 680 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 A beam is 730 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?

Answer key

  1. 4
  2. 1.7
  3. 100
  4. 18
  5. 6
  6. 5
  7. 200
  8. 40
  9. 100
  10. 320
  11. 2.5
  12. 70
  13. 3
  14. 1.3
  15. 1000
  16. 240
  17. big things fit on paper
  18. 5
  19. 1.4
  20. 2
  21. 2.3
  22. 330
  23. 10
  24. 140
  25. 60
  26. 5.5
  27. 4
  28. 12
  29. 6.3
  30. 10
  31. 400
  32. 7
  33. 70
  34. 60
  35. 20
  36. 6.8
  37. 10
  38. 7.3
  39. 30
  40. 9

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