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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 533 · 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 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?
  2. 2.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 100 (c) 1000 (d) 5
  3. 3.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 A beam is 940 cm long. How long is it in metres? =
  5. 5.📐 A beam is 990 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 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?
  8. 8.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 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 5 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to make them pretty (d) to save ink only
  14. 14.📐 A beam is 160 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 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 wall is 18 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 A beam is 710 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 400 cm long. How long is it in metres? =
  22. 22.📐 A beam is 140 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 On a plan, 1 cm stands for 10 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  26. 26.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 1000 (d) 100
  27. 27.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 A beam is 810 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  30. 30.📐 On a plan, 1 cm stands for 5 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 210 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 20 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 5 m. A real bridge is 100 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 25 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  40. 40.📐 A beam is 130 cm long. How long is it in metres? =

Answer key

  1. 320
  2. 10
  3. 120
  4. 9.4
  5. 9.9
  6. 20
  7. 65
  8. 100
  9. 50
  10. 11
  11. 360
  12. 4
  13. big things fit on paper
  14. 1.6
  15. 12
  16. 60
  17. 36
  18. 7.1
  19. 2
  20. 13
  21. 4
  22. 1.4
  23. 190
  24. 30
  25. 18
  26. 1000
  27. 60
  28. 8.1
  29. 5
  30. 8
  31. 2.1
  32. 14
  33. 70
  34. 100
  35. 100
  36. 240
  37. 20
  38. 5
  39. 9
  40. 1.3

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