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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 130 · 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.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  2. 2.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 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 5 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  8. 8.📐 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?
  9. 9.📐 How many centimetres are in 1 metre? (a) 1000 (b) 60 (c) 100 (d) 10
  10. 10.📐 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?
  11. 11.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  12. 12.📐 A beam is 890 cm long. How long is it in metres? =
  13. 13.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 A beam is 240 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 A beam is 540 cm long. How long is it in metres? =
  17. 17.📐 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?
  18. 18.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  19. 19.📐 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?
  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.📐 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?
  22. 22.📐 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?
  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 770 cm long. How long is it in metres? =
  25. 25.📐 A beam is 110 cm long. How long is it in metres? =
  26. 26.📐 A beam is 120 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 A beam is 920 cm long. How long is it in metres? =
  32. 32.📐 A beam is 940 cm long. How long is it in metres? =
  33. 33.📐 On a plan, 1 cm stands for 20 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 320 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 A beam is 290 cm long. How long is it in metres? =
  37. 37.📐 A beam is 370 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 10 m. A wall is 20 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 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 A beam is 140 cm long. How long is it in metres? =

Answer key

  1. 10
  2. 30
  3. 60
  4. 18
  5. 50
  6. 100
  7. 1000
  8. 11
  9. 100
  10. 22
  11. big things fit on paper
  12. 8.9
  13. 240
  14. 2.4
  15. 11
  16. 5.4
  17. 6
  18. 260
  19. 70
  20. 20
  21. 120
  22. 360
  23. 7
  24. 7.7
  25. 1.1
  26. 1.2
  27. 45
  28. 80
  29. 220
  30. 130
  31. 9.2
  32. 9.4
  33. 140
  34. 3.2
  35. 400
  36. 2.9
  37. 3.7
  38. 200
  39. 280
  40. 1.4

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