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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 102 · 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 10 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 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  5. 5.📐 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?
  6. 6.📐 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?
  7. 7.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
  8. 8.📐 On a plan, 1 cm stands for 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 A beam is 450 cm long. How long is it in metres? =
  11. 11.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  12. 12.📐 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?
  13. 13.📐 A beam is 330 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 2 cm long in the drawing. How long is the real car, in centimetres?
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 A beam is 690 cm long. How long is it in metres? =
  19. 19.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 On a plan, 1 cm stands for 5 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 7 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 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
  27. 27.📐 A beam is 350 cm long. How long is it in metres? =
  28. 28.📐 How many centimetres are in 1 metre? (a) 1000 (b) 60 (c) 10 (d) 100
  29. 29.📐 A beam is 310 cm long. How long is it in metres? =
  30. 30.📐 A beam is 990 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 A beam is 880 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 290 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 20 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 20
  2. 220
  3. 14
  4. 17
  5. 40
  6. 150
  7. big things fit on paper
  8. 4
  9. 30
  10. 4.5
  11. 1000
  12. 8
  13. 3.3
  14. 40
  15. 30
  16. 140
  17. 90
  18. 6.9
  19. 420
  20. 14
  21. 360
  22. 12
  23. 4
  24. 140
  25. 520
  26. 10
  27. 3.5
  28. 100
  29. 3.1
  30. 9.9
  31. 200
  32. 8.8
  33. 200
  34. 34
  35. 80
  36. 190
  37. 2.9
  38. 28
  39. 50
  40. 220

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