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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 872 · 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 40 cm. The car is 12 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.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) to hide sizes (d) big things fit on paper
  4. 4.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  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 280 cm long. How long is it in metres? =
  7. 7.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  12. 12.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 100 (d) 60
  13. 13.📐 A beam is 580 cm long. How long is it in metres? =
  14. 14.📐 On a plan, 1 cm stands for 5 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A wall is 11 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 wall is 7 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 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?
  19. 19.📐 A beam is 370 cm long. How long is it in metres? =
  20. 20.📐 A beam is 230 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 A beam is 560 cm long. How long is it in metres? =
  23. 23.📐 On a plan, 1 cm stands for 5 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 A beam is 200 cm long. How long is it in metres? =
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 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?
  28. 28.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  29. 29.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  30. 30.📐 On a plan, 1 cm stands for 5 m. A real bridge is 35 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 990 cm long. How long is it in metres? =
  32. 32.📐 A beam is 240 cm long. How long is it in metres? =
  33. 33.📐 A beam is 570 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 34 m long. How long is it on the plan, in centimetres?
  36. 36.📐 A beam is 690 cm long. How long is it in metres? =
  37. 37.📐 A beam is 820 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 480
  2. 20
  3. big things fit on paper
  4. 120
  5. 3
  6. 2.8
  7. 5
  8. 11
  9. 18
  10. 130
  11. 20
  12. 100
  13. 5.8
  14. 6
  15. 10
  16. 22
  17. 35
  18. 6
  19. 3.7
  20. 2.3
  21. 90
  22. 5.6
  23. 95
  24. 2
  25. 40
  26. 70
  27. 20
  28. 10
  29. 3
  30. 7
  31. 9.9
  32. 2.4
  33. 5.7
  34. 5
  35. 17
  36. 6.9
  37. 8.2
  38. 200
  39. 2
  40. 20

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