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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 762 · 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 34 m long. How long is it on the plan, in centimetres?
  2. 2.📐 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
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 60 (d) 10
  6. 6.📐 How many metres are in 1 kilometre? (a) 10000 (b) 1000 (c) 100 (d) 10
  7. 7.📐 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?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 A beam is 890 cm long. How long is it in metres? =
  13. 13.📐 On a plan, 1 cm stands for 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 A beam is 120 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 A beam is 900 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 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?
  19. 19.📐 A beam is 220 cm long. How long is it in metres? =
  20. 20.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 350 cm long. How long is it in metres? =
  22. 22.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
  24. 24.📐 A beam is 600 cm long. How long is it in metres? =
  25. 25.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 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 15 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 A beam is 430 cm long. How long is it in metres? =
  34. 34.📐 A beam is 860 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. 17
  2. big things fit on paper
  3. 280
  4. 38
  5. 100
  6. 1000
  7. 360
  8. 12
  9. 600
  10. 90
  11. 300
  12. 8.9
  13. 340
  14. 1.2
  15. 220
  16. 9
  17. 130
  18. 16
  19. 2.2
  20. 50
  21. 3.5
  22. 160
  23. 10
  24. 6
  25. 120
  26. 11
  27. 20
  28. 5
  29. 70
  30. 45
  31. 12
  32. 150
  33. 4.3
  34. 8.6
  35. 90
  36. 4
  37. 360
  38. 80
  39. 13
  40. 100

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