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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 618 · 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 model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to save ink only (d) to hide sizes
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  7. 7.📐 A beam is 490 cm long. How long is it in metres? =
  8. 8.📐 A beam is 980 cm long. How long is it in metres? =
  9. 9.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 A beam is 690 cm long. How long is it in metres? =
  11. 11.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  12. 12.📐 A beam is 240 cm long. How long is it in metres? =
  13. 13.📐 A beam is 870 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 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?
  18. 18.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  19. 19.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A beam is 530 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 A beam is 200 cm long. How long is it in metres? =
  27. 27.📐 A beam is 750 cm long. How long is it in metres? =
  28. 28.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 A beam is 250 cm long. How long is it in metres? =
  30. 30.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A beam is 830 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 10 (d) 1000
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 A beam is 440 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 20 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 270
  2. big things fit on paper
  3. 520
  4. 13
  5. 10
  6. 6
  7. 4.9
  8. 9.8
  9. 560
  10. 6.9
  11. 100
  12. 2.4
  13. 8.7
  14. 3
  15. 16
  16. 70
  17. 8
  18. 1000
  19. 10
  20. 85
  21. 140
  22. 150
  23. 10
  24. 5.3
  25. 8
  26. 2
  27. 7.5
  28. 20
  29. 2.5
  30. 110
  31. 8.3
  32. 320
  33. 10
  34. 6
  35. 15
  36. 100
  37. 100
  38. 2
  39. 4.4
  40. 300

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