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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 723 · 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 580 cm long. How long is it in metres? =
  2. 2.📐 A beam is 430 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 A beam is 540 cm long. How long is it in metres? =
  9. 9.📐 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
  10. 10.📐 A beam is 370 cm long. How long is it in metres? =
  11. 11.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  12. 12.📐 A beam is 310 cm long. How long is it in metres? =
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 320 cm long. How long is it in metres? =
  19. 19.📐 A beam is 610 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 A beam is 850 cm long. How long is it in metres? =
  23. 23.📐 A beam is 230 cm long. How long is it in metres? =
  24. 24.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 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?
  26. 26.📐 A beam is 630 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 100 (d) 10
  30. 30.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 390 cm long. How long is it in metres? =
  32. 32.📐 A beam is 920 cm long. How long is it in metres? =
  33. 33.📐 A beam is 750 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  36. 36.📐 On a plan, 1 cm stands for 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 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?
  38. 38.📐 On a plan, 1 cm stands for 20 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 5.8
  2. 4.3
  3. 360
  4. 200
  5. 320
  6. 160
  7. 32
  8. 5.4
  9. big things fit on paper
  10. 3.7
  11. 13
  12. 3.1
  13. 180
  14. 110
  15. 120
  16. 440
  17. 14
  18. 3.2
  19. 6.1
  20. 160
  21. 100
  22. 8.5
  23. 2.3
  24. 12
  25. 22
  26. 6.3
  27. 10
  28. 50
  29. 100
  30. 6
  31. 3.9
  32. 9.2
  33. 7.5
  34. 380
  35. 1000
  36. 15
  37. 30
  38. 280
  39. 190
  40. 120

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