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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 424 · 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 12 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 520 cm long. How long is it in metres? =
  3. 3.📐 How many centimetres are in 1 metre? (a) 1000 (b) 60 (c) 10 (d) 100
  4. 4.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) big things fit on paper (d) to save ink only
  5. 5.📐 A beam is 990 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 A beam is 680 cm long. How long is it in metres? =
  8. 8.📐 A beam is 920 cm long. How long is it in metres? =
  9. 9.📐 A beam is 880 cm long. How long is it in metres? =
  10. 10.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  11. 11.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 100 (d) 1000
  14. 14.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 On a plan, 1 cm stands for 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 A beam is 510 cm long. How long is it in metres? =
  17. 17.📐 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?
  18. 18.📐 A beam is 930 cm long. How long is it in metres? =
  19. 19.📐 A beam is 480 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 20 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 On a plan, 1 cm stands for 20 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  22. 22.📐 A beam is 110 cm long. How long is it in metres? =
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 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 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A beam is 170 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 20 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 5 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 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 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 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?
  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.📐 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?

Answer key

  1. 240
  2. 5.2
  3. 100
  4. big things fit on paper
  5. 9.9
  6. 60
  7. 6.8
  8. 9.2
  9. 8.8
  10. 1000
  11. 38
  12. 120
  13. 10
  14. 160
  15. 40
  16. 5.1
  17. 3
  18. 9.3
  19. 4.8
  20. 100
  21. 9
  22. 1.1
  23. 12
  24. 320
  25. 280
  26. 160
  27. 10
  28. 1.7
  29. 140
  30. 80
  31. 400
  32. 100
  33. 4
  34. 20
  35. 8
  36. 150
  37. 560
  38. 2
  39. 180
  40. 330

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