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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 387 · 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.

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  1. 1.📐 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?
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 A beam is 340 cm long. How long is it in metres? =
  5. 5.📐 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?
  6. 6.📐 A beam is 290 cm long. How long is it in metres? =
  7. 7.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  8. 8.📐 A beam is 170 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  11. 11.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to save ink only (d) to make them pretty
  12. 12.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 10000 (d) 100
  13. 13.📐 A beam is 510 cm long. How long is it in metres? =
  14. 14.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  15. 15.📐 A beam is 870 cm long. How long is it in metres? =
  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 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?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 A beam is 760 cm long. How long is it in metres? =
  21. 21.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 5 m. A real bridge is 85 m long. How long is it on the plan, in centimetres?
  24. 24.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 100 (d) 10
  25. 25.📐 A beam is 470 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 A beam is 130 cm long. How long is it in metres? =
  28. 28.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  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.📐 A beam is 910 cm long. How long is it in metres? =
  39. 39.📐 A beam is 410 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?

Answer key

  1. 150
  2. 20
  3. 60
  4. 3.4
  5. 3
  6. 2.9
  7. 8
  8. 1.7
  9. 90
  10. 2
  11. big things fit on paper
  12. 1000
  13. 5.1
  14. 80
  15. 8.7
  16. 18
  17. 220
  18. 400
  19. 8
  20. 7.6
  21. 240
  22. 80
  23. 17
  24. 10
  25. 4.7
  26. 6
  27. 1.3
  28. 20
  29. 40
  30. 2
  31. 4
  32. 30
  33. 6
  34. 11
  35. 5
  36. 60
  37. 100
  38. 9.1
  39. 4.1
  40. 10

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