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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 690 · 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 680 cm long. How long is it in metres? =
  2. 2.📐 A beam is 980 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  4. 4.📐 A beam is 950 cm long. How long is it in metres? =
  5. 5.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 100 (c) 1000 (d) 5
  8. 8.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  10. 10.📐 How many metres are in 1 kilometre? (a) 100 (b) 1000 (c) 10 (d) 10000
  11. 11.📐 A beam is 470 cm long. How long is it in metres? =
  12. 12.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 A beam is 330 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 A beam is 880 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 5 m. A wall is 6 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 wall is 20 cm long on the plan. How long is the real wall, in metres?
  19. 19.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A beam is 280 cm long. How long is it in metres? =
  21. 21.📐 A beam is 360 cm long. How long is it in metres? =
  22. 22.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  23. 23.📐 A beam is 590 cm long. How long is it in metres? =
  24. 24.📐 A beam is 420 cm long. How long is it in metres? =
  25. 25.📐 A beam is 490 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 20 m. A real bridge is 400 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 A beam is 790 cm long. How long is it in metres? =
  31. 31.📐 A beam is 830 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  33. 33.📐 How many centimetres are in 1 metre? (a) 60 (b) 100 (c) 1000 (d) 10
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 A beam is 160 cm long. How long is it in metres? =
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  40. 40.📐 A beam is 350 cm long. How long is it in metres? =

Answer key

  1. 6.8
  2. 9.8
  3. 4
  4. 9.5
  5. 420
  6. 4
  7. 10
  8. 240
  9. 11
  10. 1000
  11. 4.7
  12. 270
  13. 3.3
  14. 8
  15. 8.8
  16. 4
  17. 30
  18. 200
  19. 16
  20. 2.8
  21. 3.6
  22. big things fit on paper
  23. 5.9
  24. 4.2
  25. 4.9
  26. 40
  27. 12
  28. 20
  29. 15
  30. 7.9
  31. 8.3
  32. 19
  33. 100
  34. 10
  35. 35
  36. 1.6
  37. 450
  38. 16
  39. 50
  40. 3.5

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