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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 810 · 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.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 A beam is 980 cm long. How long is it in metres? =
  6. 6.📐 A beam is 480 cm long. How long is it in metres? =
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 A beam is 280 cm long. How long is it in metres? =
  10. 10.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 100 (d) 5
  11. 11.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to hide sizes (d) to save ink only
  13. 13.📐 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?
  14. 14.📐 A beam is 240 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 A beam is 780 cm long. How long is it in metres? =
  18. 18.📐 A beam is 730 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 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?
  21. 21.📐 A beam is 570 cm long. How long is it in metres? =
  22. 22.📐 A beam is 340 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 10 (d) 60
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 5 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  31. 31.📐 A beam is 530 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 A beam is 790 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 2 m. A wall is 14 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 9 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 200
  2. 90
  3. 17
  4. 32
  5. 9.8
  6. 4.8
  7. 10
  8. 130
  9. 2.8
  10. 10
  11. 50
  12. big things fit on paper
  13. 200
  14. 2.4
  15. 110
  16. 10
  17. 7.8
  18. 7.3
  19. 70
  20. 7
  21. 5.7
  22. 3.4
  23. 5
  24. 80
  25. 100
  26. 480
  27. 2
  28. 70
  29. 70
  30. 2
  31. 5.3
  32. 15
  33. 520
  34. 20
  35. 210
  36. 7.9
  37. 6
  38. 440
  39. 28
  40. 18

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