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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 726 · 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 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  3. 3.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  4. 4.📐 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?
  5. 5.📐 A beam is 470 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 A beam is 610 cm long. How long is it in metres? =
  8. 8.📐 How many centimetres are in 1 metre? (a) 1000 (b) 10 (c) 100 (d) 60
  9. 9.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  10. 10.📐 A beam is 460 cm long. How long is it in metres? =
  11. 11.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
  12. 12.📐 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?
  13. 13.📐 A beam is 930 cm long. How long is it in metres? =
  14. 14.📐 A beam is 410 cm long. How long is it in metres? =
  15. 15.📐 A beam is 480 cm long. How long is it in metres? =
  16. 16.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A beam is 530 cm long. How long is it in metres? =
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 A beam is 230 cm long. How long is it in metres? =
  21. 21.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  22. 22.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 A beam is 300 cm long. How long is it in metres? =
  32. 32.📐 A beam is 820 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 A beam is 650 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A beam is 770 cm long. How long is it in metres? =

Answer key

  1. 14
  2. 16
  3. 4
  4. 240
  5. 4.7
  6. 60
  7. 6.1
  8. 100
  9. 10
  10. 4.6
  11. big things fit on paper
  12. 16
  13. 9.3
  14. 4.1
  15. 4.8
  16. 40
  17. 5.3
  18. 10
  19. 600
  20. 2.3
  21. 1000
  22. 240
  23. 300
  24. 17
  25. 80
  26. 15
  27. 14
  28. 270
  29. 30
  30. 360
  31. 3
  32. 8.2
  33. 260
  34. 6.5
  35. 120
  36. 8
  37. 7
  38. 100
  39. 13
  40. 7.7

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