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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 81 · 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 930 cm long. How long is it in metres? =
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  5. 5.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 100 (d) 10
  7. 7.📐 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?
  8. 8.📐 A beam is 370 cm long. How long is it in metres? =
  9. 9.📐 A beam is 910 cm long. How long is it in metres? =
  10. 10.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to make them pretty (d) to hide sizes
  11. 11.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  12. 12.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 A beam is 350 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 2 m. A real bridge is 22 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 130 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 2 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 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?
  22. 22.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 20 m. A wall is 5 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 14 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 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 wall is 8 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 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?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  34. 34.📐 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?
  35. 35.📐 A beam is 770 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 2 m. A wall is 17 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 real bridge is 85 m long. How long is it on the plan, in centimetres?
  38. 38.📐 A beam is 330 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 9.3
  2. 4
  3. 9
  4. 14
  5. 150
  6. 10
  7. 12
  8. 3.7
  9. 9.1
  10. big things fit on paper
  11. 100
  12. 20
  13. 80
  14. 20
  15. 70
  16. 3.5
  17. 11
  18. 1.3
  19. 14
  20. 12
  21. 16
  22. 70
  23. 22
  24. 7
  25. 14
  26. 100
  27. 280
  28. 130
  29. 17
  30. 220
  31. 80
  32. 11
  33. 17
  34. 3
  35. 7.7
  36. 34
  37. 17
  38. 3.3
  39. 150
  40. 14

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