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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 414 · 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.📐 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
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 10 (d) 5
  5. 5.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  6. 6.📐 On a plan, 1 cm stands for 2 m. A real bridge is 22 m long. How long is it on the plan, in centimetres?
  7. 7.📐 A beam is 870 cm long. How long is it in metres? =
  8. 8.📐 A beam is 620 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 A beam is 260 cm long. How long is it in metres? =
  12. 12.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 A beam is 360 cm long. How long is it in metres? =
  14. 14.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 60 (d) 100
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  19. 19.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 On a plan, 1 cm stands for 20 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 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?
  22. 22.📐 A beam is 930 cm long. How long is it in metres? =
  23. 23.📐 A beam is 820 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 13 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A wall is 16 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 wall is 16 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 970 cm long. How long is it in metres? =
  29. 29.📐 A beam is 290 cm long. How long is it in metres? =
  30. 30.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 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?
  33. 33.📐 A beam is 150 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  37. 37.📐 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?
  38. 38.📐 A beam is 230 cm long. How long is it in metres? =
  39. 39.📐 A beam is 890 cm long. How long is it in metres? =
  40. 40.📐 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?

Answer key

  1. big things fit on paper
  2. 40
  3. 180
  4. 10
  5. 1000
  6. 11
  7. 8.7
  8. 6.2
  9. 26
  10. 11
  11. 2.6
  12. 220
  13. 3.6
  14. 100
  15. 100
  16. 480
  17. 8
  18. 7
  19. 450
  20. 60
  21. 19
  22. 9.3
  23. 8.2
  24. 390
  25. 320
  26. 80
  27. 10
  28. 9.7
  29. 2.9
  30. 180
  31. 420
  32. 5
  33. 1.5
  34. 120
  35. 10
  36. 19
  37. 90
  38. 2.3
  39. 8.9
  40. 25

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