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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 763 · 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 16 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 30 m long. How long is it on the plan, in centimetres?
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 A beam is 510 cm long. How long is it in metres? =
  6. 6.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 1000 (d) 10
  7. 7.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 A beam is 270 cm long. How long is it in metres? =
  10. 10.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  12. 12.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  13. 13.📐 On a plan, 1 cm stands for 5 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 A beam is 450 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) big things fit on paper (d) to hide sizes
  22. 22.📐 A beam is 560 cm long. How long is it in metres? =
  23. 23.📐 A beam is 490 cm long. How long is it in metres? =
  24. 24.📐 On a plan, 1 cm stands for 10 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 A beam is 580 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 350 cm long. How long is it in metres? =
  29. 29.📐 A beam is 520 cm long. How long is it in metres? =
  30. 30.📐 A beam is 700 cm long. How long is it in metres? =
  31. 31.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 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?
  33. 33.📐 A beam is 190 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 A beam is 920 cm long. How long is it in metres? =
  36. 36.📐 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?
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 A beam is 850 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 3 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 8
  2. 6
  3. 20
  4. 100
  5. 5.1
  6. 10
  7. 120
  8. 60
  9. 2.7
  10. 90
  11. 17
  12. 1000
  13. 65
  14. 22
  15. 4.5
  16. 15
  17. 16
  18. 18
  19. 30
  20. 7
  21. big things fit on paper
  22. 5.6
  23. 4.9
  24. 80
  25. 5.8
  26. 17
  27. 6
  28. 3.5
  29. 5.2
  30. 7
  31. 260
  32. 160
  33. 1.9
  34. 600
  35. 9.2
  36. 15
  37. 450
  38. 8.5
  39. 60
  40. 360

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