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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 125 · 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 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  2. 2.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 10 (d) 60
  3. 3.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 A beam is 430 cm long. How long is it in metres? =
  7. 7.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  8. 8.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) to hide sizes (d) big things fit on paper
  9. 9.📐 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?
  10. 10.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
  11. 11.📐 On a plan, 1 cm stands for 2 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 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?
  13. 13.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 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?
  15. 15.📐 A beam is 120 cm long. How long is it in metres? =
  16. 16.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 1000 (d) 10000
  17. 17.📐 On a plan, 1 cm stands for 20 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 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?
  19. 19.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 A beam is 220 cm long. How long is it in metres? =
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 510 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 A beam is 190 cm long. How long is it in metres? =
  25. 25.📐 A beam is 290 cm long. How long is it in metres? =
  26. 26.📐 A beam is 310 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 A beam is 680 cm long. How long is it in metres? =
  30. 30.📐 A beam is 440 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  32. 32.📐 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?
  33. 33.📐 On a plan, 1 cm stands for 5 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 980 cm long. How long is it in metres? =
  35. 35.📐 A beam is 720 cm long. How long is it in metres? =
  36. 36.📐 A beam is 210 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 m long. How long is it on the plan, in centimetres?
  40. 40.📐 A beam is 350 cm long. How long is it in metres? =

Answer key

  1. 9
  2. 100
  3. 18
  4. 20
  5. 80
  6. 4.3
  7. 13
  8. big things fit on paper
  9. 16
  10. 10
  11. 18
  12. 15
  13. 120
  14. 34
  15. 1.2
  16. 1000
  17. 80
  18. 60
  19. 80
  20. 2.2
  21. 45
  22. 5.1
  23. 3
  24. 1.9
  25. 2.9
  26. 3.1
  27. 70
  28. 110
  29. 6.8
  30. 4.4
  31. 4
  32. 20
  33. 40
  34. 9.8
  35. 7.2
  36. 2.1
  37. 16
  38. 260
  39. 9
  40. 3.5

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