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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 190 · 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 model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 On a plan, 1 cm stands for 10 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  4. 4.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 10 (d) 60
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 A beam is 560 cm long. How long is it in metres? =
  11. 11.📐 A beam is 650 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 5 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 A beam is 120 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to hide sizes (d) to make them pretty
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 30 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 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 A beam is 870 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 A beam is 750 cm long. How long is it in metres? =
  31. 31.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 10 (c) 100 (d) 5
  32. 32.📐 A beam is 820 cm long. How long is it in metres? =
  33. 33.📐 A beam is 760 cm long. How long is it in metres? =
  34. 34.📐 A beam is 600 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 On a plan, 1 cm stands for 5 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 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 A beam is 550 cm long. How long is it in metres? =
  40. 40.📐 A beam is 530 cm long. How long is it in metres? =

Answer key

  1. 90
  2. 190
  3. 1000
  4. 20
  5. 100
  6. 80
  7. 120
  8. 16
  9. 110
  10. 5.6
  11. 6.5
  12. 200
  13. 240
  14. 25
  15. 100
  16. 1.2
  17. 140
  18. big things fit on paper
  19. 75
  20. 15
  21. 100
  22. 200
  23. 40
  24. 60
  25. 7
  26. 90
  27. 180
  28. 8.7
  29. 3
  30. 7.5
  31. 10
  32. 8.2
  33. 7.6
  34. 6
  35. 30
  36. 10
  37. 90
  38. 180
  39. 5.5
  40. 5.3

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