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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 79 · 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 520 cm long. How long is it in metres? =
  2. 2.📐 A beam is 820 cm long. How long is it in metres? =
  3. 3.📐 A beam is 430 cm long. How long is it in metres? =
  4. 4.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 A beam is 910 cm long. How long is it in metres? =
  7. 7.📐 A beam is 510 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to hide sizes (d) to make them pretty
  12. 12.📐 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?
  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.📐 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?
  15. 15.📐 How many centimetres are in 1 metre? (a) 60 (b) 100 (c) 1000 (d) 10
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 A beam is 140 cm long. How long is it in metres? =
  19. 19.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 10 (d) 1000
  20. 20.📐 How many metres are in 1 kilometre? (a) 100 (b) 1000 (c) 10000 (d) 10
  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.📐 A beam is 630 cm long. How long is it in metres? =
  23. 23.📐 On a plan, 1 cm stands for 5 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 860 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 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 720 cm long. How long is it in metres? =
  29. 29.📐 A beam is 410 cm long. How long is it in metres? =
  30. 30.📐 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?
  31. 31.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 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?
  33. 33.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 A beam is 260 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 A beam is 150 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 On a plan, 1 cm stands for 20 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 5.2
  2. 8.2
  3. 4.3
  4. 240
  5. 70
  6. 9.1
  7. 5.1
  8. 140
  9. 20
  10. 440
  11. big things fit on paper
  12. 20
  13. 520
  14. 7
  15. 100
  16. 90
  17. 7
  18. 1.4
  19. 10
  20. 1000
  21. 360
  22. 6.3
  23. 75
  24. 6
  25. 8.6
  26. 1.2
  27. 19
  28. 7.2
  29. 4.1
  30. 11
  31. 200
  32. 400
  33. 20
  34. 560
  35. 320
  36. 2.6
  37. 5
  38. 1.5
  39. 10
  40. 100

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