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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 7 · 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 5 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  3. 3.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  4. 4.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 1000 (d) 10000
  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.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  7. 7.📐 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?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 A beam is 340 cm long. How long is it in metres? =
  10. 10.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to hide sizes (d) to make them pretty
  11. 11.📐 A beam is 780 cm long. How long is it in metres? =
  12. 12.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  17. 17.📐 A beam is 840 cm long. How long is it in metres? =
  18. 18.📐 A beam is 130 cm long. How long is it in metres? =
  19. 19.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 60 (d) 10
  20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 3 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 15 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 On a plan, 1 cm stands for 5 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 5 (d) 10
  26. 26.📐 A beam is 610 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 A beam is 500 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  34. 34.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 A beam is 200 cm long. How long is it in metres? =
  36. 36.📐 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?
  37. 37.📐 On a plan, 1 cm stands for 5 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A beam is 530 cm long. How long is it in metres? =

Answer key

  1. 40
  2. 10
  3. 3
  4. 1000
  5. 4
  6. 480
  7. 160
  8. 24
  9. 3.4
  10. big things fit on paper
  11. 7.8
  12. 90
  13. 330
  14. 19
  15. 15
  16. 18
  17. 8.4
  18. 1.3
  19. 100
  20. 6
  21. 300
  22. 80
  23. 260
  24. 20
  25. 10
  26. 6.1
  27. 35
  28. 20
  29. 7
  30. 140
  31. 5
  32. 300
  33. 5
  34. 160
  35. 2
  36. 8
  37. 85
  38. 120
  39. 65
  40. 5.3

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