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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 341 · 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 10 m. A wall is 17 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 2 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  5. 5.📐 A beam is 670 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 On a plan, 1 cm stands for 2 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 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 On a plan, 1 cm stands for 10 m. A wall is 9 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 85 m long. How long is it on the plan, in centimetres?
  14. 14.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 A beam is 310 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 A beam is 920 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 7 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 35 m long. How long is it on the plan, in centimetres?
  23. 23.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 1000 (d) 100
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 30 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 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 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?
  28. 28.📐 A beam is 690 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  32. 32.📐 A beam is 420 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 A beam is 860 cm long. How long is it in metres? =
  36. 36.📐 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?
  37. 37.📐 A beam is 440 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, 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.📐 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?

Answer key

  1. 170
  2. 4
  3. 120
  4. big things fit on paper
  5. 6.7
  6. 140
  7. 10
  8. 14
  9. 40
  10. 20
  11. 130
  12. 90
  13. 17
  14. 240
  15. 26
  16. 4
  17. 220
  18. 3.1
  19. 30
  20. 9.2
  21. 210
  22. 7
  23. 1000
  24. 9
  25. 360
  26. 22
  27. 5
  28. 6.9
  29. 3
  30. 330
  31. 19
  32. 4.2
  33. 90
  34. 40
  35. 8.6
  36. 140
  37. 4.4
  38. 9
  39. 400
  40. 28

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