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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 172 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  2. 2.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 On a plan, 1 cm stands for 5 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  6. 6.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 1000 (d) 10000
  7. 7.📐 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?
  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) 5 (b) 100 (c) 10 (d) 1000
  10. 10.📐 A beam is 380 cm long. How long is it in metres? =
  11. 11.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 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?
  13. 13.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 A beam is 630 cm long. How long is it in metres? =
  15. 15.📐 A beam is 980 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 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
  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.📐 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?
  20. 20.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 A beam is 370 cm long. How long is it in metres? =
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 A beam is 870 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 7 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 A beam is 140 cm long. How long is it in metres? =
  33. 33.📐 A beam is 350 cm long. How long is it in metres? =
  34. 34.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 A beam is 190 cm long. How long is it in metres? =
  38. 38.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 A beam is 180 cm long. How long is it in metres? =

Answer key

  1. 13
  2. 55
  3. 75
  4. 170
  5. 10
  6. 1000
  7. 45
  8. 100
  9. 10
  10. 3.8
  11. 80
  12. 3
  13. 60
  14. 6.3
  15. 9.8
  16. 80
  17. big things fit on paper
  18. 60
  19. 16
  20. 40
  21. 70
  22. 480
  23. 3.7
  24. 20
  25. 30
  26. 14
  27. 120
  28. 80
  29. 18
  30. 8.7
  31. 140
  32. 1.4
  33. 3.5
  34. 220
  35. 50
  36. 300
  37. 1.9
  38. 40
  39. 200
  40. 1.8

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