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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 15 · 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 40 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 1000 (d) 10
  3. 3.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  4. 4.📐 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?
  5. 5.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  6. 6.📐 A beam is 460 cm long. How long is it in metres? =
  7. 7.📐 A beam is 520 cm long. How long is it in metres? =
  8. 8.📐 On a plan, 1 cm stands for 10 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  11. 11.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  12. 12.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 20 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 300 cm long. How long is it in metres? =
  16. 16.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A beam is 880 cm long. How long is it in metres? =
  18. 18.📐 A beam is 800 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 5 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  20. 20.📐 A beam is 240 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 5 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 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?
  26. 26.📐 A beam is 440 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 A beam is 920 cm long. How long is it in metres? =
  29. 29.📐 A beam is 640 cm long. How long is it in metres? =
  30. 30.📐 A beam is 570 cm long. How long is it in metres? =
  31. 31.📐 A beam is 630 cm long. How long is it in metres? =
  32. 32.📐 A beam is 830 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 390 cm long. How long is it in metres? =
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 A beam is 420 cm long. How long is it in metres? =
  40. 40.📐 A beam is 960 cm long. How long is it in metres? =

Answer key

  1. 80
  2. 1000
  3. 10
  4. 130
  5. big things fit on paper
  6. 4.6
  7. 5.2
  8. 12
  9. 45
  10. 3
  11. 100
  12. 32
  13. 12
  14. 120
  15. 3
  16. 380
  17. 8.8
  18. 8
  19. 8
  20. 2.4
  21. 60
  22. 20
  23. 40
  24. 240
  25. 280
  26. 4.4
  27. 9
  28. 9.2
  29. 6.4
  30. 5.7
  31. 6.3
  32. 8.3
  33. 60
  34. 3.9
  35. 5
  36. 18
  37. 80
  38. 2
  39. 4.2
  40. 9.6

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