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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 682 · 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 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 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?
  5. 5.📐 A beam is 370 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 A beam is 180 cm long. How long is it in metres? =
  9. 9.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 10 (d) 1000
  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 real bridge is 50 m long. How long is it on the plan, in centimetres?
  15. 15.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 A beam is 510 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 10 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  20. 20.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 970 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 100 (d) 10
  26. 26.📐 On a plan, 1 cm stands for 10 m. A wall is 3 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 8 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 4 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A beam is 950 cm long. How long is it in metres? =
  31. 31.📐 A beam is 410 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  38. 38.📐 A beam is 470 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 14
  2. 40
  3. 200
  4. 20
  5. 3.7
  6. 70
  7. 160
  8. 1.8
  9. big things fit on paper
  10. 340
  11. 260
  12. 1000
  13. 3.1
  14. 5
  15. 90
  16. 5.1
  17. 180
  18. 8
  19. 7
  20. 13
  21. 9.7
  22. 15
  23. 120
  24. 360
  25. 10
  26. 30
  27. 160
  28. 40
  29. 13
  30. 9.5
  31. 4.1
  32. 90
  33. 20
  34. 360
  35. 320
  36. 3
  37. 10
  38. 4.7
  39. 18
  40. 160

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