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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 156 · 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 5 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  2. 2.📐 On a plan, 1 cm stands for 5 m. A real bridge is 35 m long. How long is it on the plan, in centimetres?
  3. 3.📐 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?
  4. 4.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 20 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  8. 8.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 100 (d) 1000
  9. 9.📐 A beam is 890 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 10 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  12. 12.📐 A beam is 920 cm long. How long is it in metres? =
  13. 13.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 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 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 570 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  20. 20.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 10 (d) 1000
  21. 21.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 A beam is 120 cm long. How long is it in metres? =
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 16 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 real bridge is 100 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A beam is 900 cm long. How long is it in metres? =
  28. 28.📐 A beam is 830 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 9 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 wall is 5 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 A beam is 230 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 A beam is 200 cm long. How long is it in metres? =
  38. 38.📐 A beam is 580 cm long. How long is it in metres? =
  39. 39.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 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 real bridge is 280 m long. How long is it on the plan, in centimetres?

Answer key

  1. 14
  2. 7
  3. 22
  4. 1000
  5. 15
  6. 220
  7. big things fit on paper
  8. 10
  9. 8.9
  10. 150
  11. 16
  12. 9.2
  13. 360
  14. 110
  15. 380
  16. 130
  17. 15
  18. 5.7
  19. 3
  20. 100
  21. 180
  22. 20
  23. 1.2
  24. 16
  25. 160
  26. 10
  27. 9
  28. 8.3
  29. 17
  30. 35
  31. 360
  32. 100
  33. 2.3
  34. 19
  35. 25
  36. 7
  37. 2
  38. 5.8
  39. 240
  40. 14

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