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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 236 · 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 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 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?
  3. 3.📐 How many metres are in 1 kilometre? (a) 10000 (b) 1000 (c) 10 (d) 100
  4. 4.📐 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?
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  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 2 m. A real bridge is 22 m long. How long is it on the plan, in centimetres?
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 5 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 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?
  11. 11.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 11 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 16 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 A beam is 950 cm long. How long is it in metres? =
  15. 15.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) to hide sizes (d) big things fit on paper
  16. 16.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  17. 17.📐 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?
  18. 18.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  19. 19.📐 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?
  20. 20.📐 A beam is 200 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 A beam is 910 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  26. 26.📐 A beam is 290 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 20 m. A wall is 15 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 real bridge is 14 m long. How long is it on the plan, in centimetres?
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 35 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A beam is 960 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 2 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 A beam is 800 cm long. How long is it in metres? =

Answer key

  1. 40
  2. 280
  3. 1000
  4. 40
  5. 10
  6. 26
  7. 11
  8. 50
  9. 85
  10. 90
  11. 440
  12. 160
  13. 520
  14. 9.5
  15. big things fit on paper
  16. 11
  17. 60
  18. 16
  19. 8
  20. 2
  21. 150
  22. 2
  23. 170
  24. 9.1
  25. 8
  26. 2.9
  27. 300
  28. 7
  29. 7
  30. 9.6
  31. 28
  32. 120
  33. 5
  34. 160
  35. 6
  36. 80
  37. 35
  38. 80
  39. 400
  40. 8

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