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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 302 · 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.📐 A beam is 190 cm long. How long is it in metres? =
  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.📐 A beam is 380 cm long. How long is it in metres? =
  4. 4.📐 A beam is 220 cm long. How long is it in metres? =
  5. 5.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  8. 8.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 100 (d) 1000
  9. 9.📐 A beam is 460 cm long. How long is it in metres? =
  10. 10.📐 A beam is 730 cm long. How long is it in metres? =
  11. 11.📐 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?
  12. 12.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 20 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 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 real bridge is 180 m long. How long is it on the plan, in centimetres?
  29. 29.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  32. 32.📐 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?
  33. 33.📐 A beam is 420 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 A beam is 830 cm long. How long is it in metres? =
  37. 37.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 1000 (d) 10
  38. 38.📐 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?
  39. 39.📐 A beam is 550 cm long. How long is it in metres? =
  40. 40.📐 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?

Answer key

  1. 1.9
  2. big things fit on paper
  3. 3.8
  4. 2.2
  5. 400
  6. 38
  7. 2
  8. 100
  9. 4.6
  10. 7.3
  11. 9
  12. 150
  13. 55
  14. 40
  15. 120
  16. 200
  17. 3
  18. 60
  19. 160
  20. 9
  21. 90
  22. 35
  23. 7
  24. 65
  25. 200
  26. 75
  27. 180
  28. 9
  29. 1000
  30. 120
  31. 8
  32. 40
  33. 4.2
  34. 2
  35. 17
  36. 8.3
  37. 10
  38. 3
  39. 5.5
  40. 90

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