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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 558 · 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.

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  1. 1.📐 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?
  2. 2.📐 A beam is 470 cm long. How long is it in metres? =
  3. 3.📐 A beam is 980 cm long. How long is it in metres? =
  4. 4.📐 A beam is 150 cm long. How long is it in metres? =
  5. 5.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) to make them pretty (d) big things fit on paper
  6. 6.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  7. 7.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 5 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 780 cm long. How long is it in metres? =
  14. 14.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100
  15. 15.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  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.📐 A beam is 110 cm long. How long is it in metres? =
  21. 21.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 570 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  26. 26.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  32. 32.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 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?
  36. 36.📐 A beam is 660 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 5 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 A beam is 240 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 11
  2. 4.7
  3. 9.8
  4. 1.5
  5. big things fit on paper
  6. 120
  7. 300
  8. 95
  9. 10
  10. 12
  11. 70
  12. 110
  13. 7.8
  14. 100
  15. 20
  16. 12
  17. 6
  18. 480
  19. 14
  20. 1.1
  21. 24
  22. 5.7
  23. 8
  24. 80
  25. 2
  26. 1000
  27. 10
  28. 34
  29. 40
  30. 5
  31. 14
  32. 140
  33. 100
  34. 320
  35. 20
  36. 6.6
  37. 40
  38. 2.4
  39. 20
  40. 20

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