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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 505 · 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 wall is 5 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 A beam is 930 cm long. How long is it in metres? =
  4. 4.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 On a plan, 1 cm stands for 2 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 5 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  8. 8.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 100 (d) 60
  9. 9.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to save ink only (d) to hide sizes
  12. 12.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  14. 14.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 100 (d) 10
  15. 15.📐 A beam is 610 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 A beam is 910 cm long. How long is it in metres? =
  18. 18.📐 A beam is 260 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 How many metres are in 1 kilometre? (a) 10000 (b) 1000 (c) 100 (d) 10
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A beam is 960 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 20 m. A wall is 18 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 10 cm. The car is 7 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 real bridge is 110 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  34. 34.📐 A beam is 990 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  37. 37.📐 A beam is 210 cm long. How long is it in metres? =
  38. 38.📐 A beam is 580 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 100
  2. 130
  3. 9.3
  4. 60
  5. 50
  6. 26
  7. 20
  8. 100
  9. 160
  10. 450
  11. big things fit on paper
  12. 90
  13. 12
  14. 10
  15. 6.1
  16. 60
  17. 9.1
  18. 2.6
  19. 50
  20. 280
  21. 1000
  22. 260
  23. 3
  24. 9.6
  25. 480
  26. 360
  27. 70
  28. 11
  29. 70
  30. 50
  31. 100
  32. 2
  33. 40
  34. 9.9
  35. 40
  36. 16
  37. 2.1
  38. 5.8
  39. 150
  40. 80

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