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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 68 · 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.📐 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?
  2. 2.📐 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?
  3. 3.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 1000 (d) 10000
  4. 4.📐 A beam is 560 cm long. How long is it in metres? =
  5. 5.📐 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?
  6. 6.📐 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?
  7. 7.📐 A beam is 340 cm long. How long is it in metres? =
  8. 8.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 10 (d) 5
  9. 9.📐 A beam is 620 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  17. 17.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to hide sizes (d) to save ink only
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 510 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 A beam is 950 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 520 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A beam is 540 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 690 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 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?
  34. 34.📐 A beam is 400 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 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?
  37. 37.📐 A beam is 360 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100

Answer key

  1. 150
  2. 120
  3. 1000
  4. 5.6
  5. 30
  6. 12
  7. 3.4
  8. 10
  9. 6.2
  10. 8
  11. 60
  12. 25
  13. 20
  14. 16
  15. 5
  16. 9
  17. big things fit on paper
  18. 60
  19. 200
  20. 10
  21. 80
  22. 5.1
  23. 270
  24. 9.5
  25. 13
  26. 8
  27. 5.2
  28. 14
  29. 5.4
  30. 3
  31. 6.9
  32. 400
  33. 3
  34. 4
  35. 210
  36. 20
  37. 3.6
  38. 5
  39. 100
  40. 100

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