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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 800 · 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.📐 On a plan, 1 cm stands for 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 750 cm long. How long is it 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.📐 On a plan, 1 cm stands for 20 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 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?
  6. 6.📐 A beam is 280 cm long. How long is it in metres? =
  7. 7.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) big things fit on paper (d) to save ink only
  8. 8.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  9. 9.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  11. 11.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 m long. How long is it on the plan, in centimetres?
  13. 13.📐 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?
  14. 14.📐 A beam is 800 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 620 cm long. How long is it in metres? =
  19. 19.📐 A beam is 300 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  21. 21.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  22. 22.📐 A beam is 150 cm long. How long is it in metres? =
  23. 23.📐 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?
  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 wall is 19 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 A beam is 200 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  29. 29.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A beam is 590 cm long. How long is it in metres? =
  31. 31.📐 A beam is 640 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 9 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 real bridge is 38 m long. How long is it on the plan, in centimetres?
  34. 34.📐 A beam is 890 cm long. How long is it in metres? =
  35. 35.📐 A beam is 160 cm long. How long is it in metres? =
  36. 36.📐 A beam is 940 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. 340
  2. 7.5
  3. 120
  4. 120
  5. 30
  6. 2.8
  7. big things fit on paper
  8. 1000
  9. 100
  10. 20
  11. 3
  12. 9
  13. 140
  14. 8
  15. 100
  16. 420
  17. 11
  18. 6.2
  19. 3
  20. 17
  21. 10
  22. 1.5
  23. 240
  24. 30
  25. 190
  26. 2
  27. 16
  28. 3
  29. 13
  30. 5.9
  31. 6.4
  32. 180
  33. 19
  34. 8.9
  35. 1.6
  36. 9.4
  37. 110
  38. 40
  39. 16
  40. 260

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