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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 23 · 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.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  3. 3.📐 A beam is 580 cm long. How long is it in metres? =
  4. 4.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 A beam is 910 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  8. 8.📐 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?
  9. 9.📐 A beam is 130 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to make them pretty (d) to hide sizes
  12. 12.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  13. 13.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  20. 20.📐 On a plan, 1 cm stands for 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 530 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A beam is 760 cm long. How long is it in metres? =
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  34. 34.📐 A beam is 390 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 A beam is 660 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 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 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?

Answer key

  1. 60
  2. 11
  3. 5.8
  4. 30
  5. 9.1
  6. 12
  7. 100
  8. 18
  9. 1.3
  10. 36
  11. big things fit on paper
  12. 11
  13. 20
  14. 20
  15. 25
  16. 520
  17. 170
  18. 280
  19. 10
  20. 4
  21. 24
  22. 34
  23. 11
  24. 3
  25. 13
  26. 150
  27. 5.3
  28. 160
  29. 7.6
  30. 70
  31. 90
  32. 19
  33. 15
  34. 3.9
  35. 40
  36. 6.6
  37. 120
  38. 15
  39. 380
  40. 17

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