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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 768 · 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 450 cm long. How long is it in metres? =
  2. 2.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 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?
  4. 4.📐 A beam is 970 cm long. How long is it in metres? =
  5. 5.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 A beam is 180 cm long. How long is it in metres? =
  7. 7.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  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.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 A beam is 600 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  14. 14.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) big things fit on paper (d) to make them pretty
  15. 15.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 1000 (d) 100
  16. 16.📐 A beam is 140 cm long. How long is it in metres? =
  17. 17.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A beam is 510 cm long. How long is it in metres? =
  24. 24.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 890 cm long. How long is it in metres? =
  29. 29.📐 A beam is 990 cm long. How long is it in metres? =
  30. 30.📐 A beam is 570 cm long. How long is it in metres? =
  31. 31.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 A beam is 270 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 A beam is 720 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 10 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  39. 39.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?

Answer key

  1. 4.5
  2. 170
  3. 100
  4. 9.7
  5. 60
  6. 1.8
  7. 210
  8. 4
  9. 150
  10. 100
  11. 6
  12. 11
  13. 10
  14. big things fit on paper
  15. 1000
  16. 1.4
  17. 100
  18. 120
  19. 70
  20. 11
  21. 520
  22. 16
  23. 5.1
  24. 90
  25. 45
  26. 11
  27. 5
  28. 8.9
  29. 9.9
  30. 5.7
  31. 240
  32. 2.7
  33. 120
  34. 4
  35. 8
  36. 160
  37. 7.2
  38. 7
  39. 3
  40. 2

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