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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 947 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 A beam is 950 cm long. How long is it in metres? =
  2. 2.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  3. 3.📐 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?
  4. 4.📐 A beam is 160 cm long. How long is it in metres? =
  5. 5.📐 A beam is 710 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 2 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to save ink only (d) to hide sizes
  9. 9.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 10 (d) 60
  10. 10.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 1000 (d) 100
  11. 11.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  12. 12.📐 A beam is 170 cm long. How long is it in metres? =
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 10 m. A wall is 18 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 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A beam is 320 cm long. How long is it in metres? =
  25. 25.📐 A beam is 310 cm long. How long is it in metres? =
  26. 26.📐 A beam is 470 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 580 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 A beam is 590 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 5 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 860 cm long. How long is it in metres? =
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A beam is 190 cm long. How long is it in metres? =

Answer key

  1. 9.5
  2. 14
  3. 80
  4. 1.6
  5. 7.1
  6. 80
  7. 14
  8. big things fit on paper
  9. 100
  10. 10
  11. 1000
  12. 1.7
  13. 480
  14. 380
  15. 240
  16. 190
  17. 2
  18. 28
  19. 180
  20. 20
  21. 40
  22. 90
  23. 7
  24. 3.2
  25. 3.1
  26. 4.7
  27. 4
  28. 5.8
  29. 140
  30. 280
  31. 5.9
  32. 65
  33. 38
  34. 8.6
  35. 12
  36. 120
  37. 18
  38. 11
  39. 30
  40. 1.9

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