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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 297 · 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 260 cm long. How long is it in metres? =
  2. 2.📐 On a plan, 1 cm stands for 2 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 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?
  7. 7.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to hide sizes (d) to save ink only
  8. 8.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  9. 9.📐 A model car is drawn so that 1 cm stands for 30 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 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  12. 12.📐 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?
  13. 13.📐 How many centimetres are in 1 metre? (a) 60 (b) 100 (c) 10 (d) 1000
  14. 14.📐 On a plan, 1 cm stands for 2 m. A wall is 13 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 8 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A beam is 550 cm long. How long is it in metres? =
  18. 18.📐 A beam is 200 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 5 (d) 100
  21. 21.📐 A beam is 680 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 2 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 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?
  24. 24.📐 A beam is 380 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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?
  27. 27.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  32. 32.📐 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?
  33. 33.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 160 cm long. How long is it in metres? =
  35. 35.📐 A beam is 510 cm long. How long is it in metres? =
  36. 36.📐 A beam is 770 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 A beam is 780 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 A beam is 930 cm long. How long is it in metres? =

Answer key

  1. 2.6
  2. 8
  3. 400
  4. 50
  5. 4
  6. 7
  7. big things fit on paper
  8. 1000
  9. 150
  10. 15
  11. 8
  12. 2
  13. 100
  14. 26
  15. 80
  16. 35
  17. 5.5
  18. 2
  19. 260
  20. 10
  21. 6.8
  22. 18
  23. 380
  24. 3.8
  25. 40
  26. 12
  27. 40
  28. 340
  29. 16
  30. 90
  31. 12
  32. 280
  33. 80
  34. 1.6
  35. 5.1
  36. 7.7
  37. 6
  38. 7.8
  39. 100
  40. 9.3

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