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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 390 · 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 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 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?
  3. 3.📐 A beam is 360 cm long. How long is it in metres? =
  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.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
  6. 6.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 100 (d) 1000
  7. 7.📐 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?
  8. 8.📐 A beam is 800 cm long. How long is it in metres? =
  9. 9.📐 A beam is 950 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 A beam is 250 cm long. How long is it in metres? =
  13. 13.📐 A beam is 260 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100
  18. 18.📐 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?
  19. 19.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to hide sizes (c) to save ink only (d) to make them pretty
  20. 20.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  21. 21.📐 A beam is 830 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 5 m. A wall is 20 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 wall is 14 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A beam is 160 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A beam is 730 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 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 8 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 A beam is 590 cm long. How long is it in metres? =
  37. 37.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  39. 39.📐 A beam is 370 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 10 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 20
  2. 16
  3. 3.6
  4. 20
  5. 13
  6. 10
  7. 12
  8. 8
  9. 9.5
  10. 150
  11. 180
  12. 2.5
  13. 2.6
  14. 200
  15. 270
  16. 60
  17. 100
  18. 70
  19. big things fit on paper
  20. 1000
  21. 8.3
  22. 7
  23. 80
  24. 60
  25. 30
  26. 10
  27. 100
  28. 100
  29. 280
  30. 1.6
  31. 25
  32. 160
  33. 7.3
  34. 4
  35. 80
  36. 5.9
  37. 60
  38. 18
  39. 3.7
  40. 150

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