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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 962 · 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 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 10 (d) 60
  3. 3.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  4. 4.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 On a plan, 1 cm stands for 10 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  6. 6.📐 A beam is 310 cm long. How long is it in metres? =
  7. 7.📐 A beam is 790 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 A beam is 360 cm long. How long is it in metres? =
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 420 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to make them pretty (d) to hide sizes
  14. 14.📐 On a plan, 1 cm stands for 20 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 840 cm long. How long is it in metres? =
  16. 16.📐 A beam is 270 cm long. How long is it in metres? =
  17. 17.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 A beam is 670 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 A beam is 280 cm long. How long is it in metres? =
  21. 21.📐 A beam is 180 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 A beam is 880 cm long. How long is it in metres? =
  24. 24.📐 A beam is 630 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 A beam is 330 cm long. How long is it in metres? =
  27. 27.📐 A beam is 830 cm long. How long is it in metres? =
  28. 28.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, 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.📐 On a plan, 1 cm stands for 5 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 How many metres are in 1 kilometre? (a) 10000 (b) 1000 (c) 10 (d) 100
  32. 32.📐 A beam is 410 cm long. How long is it in metres? =
  33. 33.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A beam is 430 cm long. How long is it in metres? =

Answer key

  1. 160
  2. 100
  3. 10
  4. 400
  5. 5
  6. 3.1
  7. 7.9
  8. 5
  9. 3.6
  10. 10
  11. 4.2
  12. 30
  13. big things fit on paper
  14. 300
  15. 8.4
  16. 2.7
  17. 160
  18. 6.7
  19. 6
  20. 2.8
  21. 1.8
  22. 520
  23. 8.8
  24. 6.3
  25. 10
  26. 3.3
  27. 8.3
  28. 4
  29. 140
  30. 25
  31. 1000
  32. 4.1
  33. 9
  34. 14
  35. 60
  36. 15
  37. 360
  38. 140
  39. 38
  40. 4.3

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