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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 13 · 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.📐 How many centimetres are in 1 metre? (a) 1000 (b) 10 (c) 60 (d) 100
  2. 2.📐 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
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  6. 6.📐 A beam is 610 cm long. How long is it in metres? =
  7. 7.📐 A beam is 540 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 A beam is 300 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 A beam is 310 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A beam is 810 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 10000 (d) 100
  21. 21.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  22. 22.📐 A beam is 190 cm long. How long is it in metres? =
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  24. 24.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 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 wall is 4 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 real bridge is 70 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A beam is 370 cm long. How long is it in metres? =
  28. 28.📐 A beam is 130 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 A beam is 350 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  38. 38.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 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?
  40. 40.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 100
  2. big things fit on paper
  3. 200
  4. 7
  5. 5
  6. 6.1
  7. 5.4
  8. 50
  9. 3
  10. 80
  11. 240
  12. 60
  13. 3.1
  14. 100
  15. 17
  16. 8.1
  17. 19
  18. 16
  19. 480
  20. 1000
  21. 11
  22. 1.9
  23. 10
  24. 520
  25. 8
  26. 14
  27. 3.7
  28. 1.3
  29. 12
  30. 340
  31. 14
  32. 3.5
  33. 25
  34. 8
  35. 130
  36. 60
  37. 11
  38. 100
  39. 90
  40. 240

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