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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 766 · 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 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  3. 3.📐 On a plan, 1 cm stands for 2 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 10 (c) 100 (d) 5
  6. 6.📐 A beam is 650 cm long. How long is it in metres? =
  7. 7.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to hide sizes (d) to save ink only
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 A beam is 430 cm long. How long is it in metres? =
  11. 11.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 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?
  18. 18.📐 A beam is 170 cm long. How long is it in metres? =
  19. 19.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 A beam is 870 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 A beam is 280 cm long. How long is it in metres? =
  24. 24.📐 A beam is 240 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 880 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 A beam is 930 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 A beam is 950 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 10 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 380 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 10 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 30
  2. 1000
  3. 36
  4. 100
  5. 10
  6. 6.5
  7. big things fit on paper
  8. 20
  9. 260
  10. 4.3
  11. 18
  12. 12
  13. 6
  14. 45
  15. 70
  16. 14
  17. 5
  18. 1.7
  19. 440
  20. 240
  21. 8.7
  22. 85
  23. 2.8
  24. 2.4
  25. 330
  26. 30
  27. 8.8
  28. 7
  29. 12
  30. 270
  31. 16
  32. 9.3
  33. 390
  34. 9.5
  35. 6
  36. 150
  37. 3.8
  38. 180
  39. 180
  40. 32

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