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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 396 · 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.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 A beam is 170 cm long. How long is it in metres? =
  3. 3.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
  4. 4.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many centimetres are in 1 metre? (a) 10 (b) 100 (c) 60 (d) 1000
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  8. 8.📐 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?
  9. 9.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 20 m. A real bridge is 400 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 120 cm long. How long is it in metres? =
  12. 12.📐 A beam is 330 cm long. How long is it in metres? =
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  16. 16.📐 A beam is 190 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 A beam is 600 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 A beam is 680 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 A beam is 220 cm long. How long is it in metres? =
  23. 23.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10000 (c) 10 (d) 100
  24. 24.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 A beam is 250 cm long. How long is it in metres? =
  26. 26.📐 A beam is 920 cm long. How long is it in metres? =
  27. 27.📐 A beam is 530 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 A beam is 780 cm long. How long is it in metres? =
  30. 30.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 A beam is 460 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 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?
  37. 37.📐 A beam is 340 cm long. How long is it in metres? =
  38. 38.📐 A beam is 560 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 10 m. A wall is 4 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 10 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 240
  2. 1.7
  3. 10
  4. 30
  5. 100
  6. 60
  7. 2
  8. 400
  9. 60
  10. 20
  11. 1.2
  12. 3.3
  13. 100
  14. 24
  15. big things fit on paper
  16. 1.9
  17. 50
  18. 6
  19. 90
  20. 6.8
  21. 50
  22. 2.2
  23. 1000
  24. 400
  25. 2.5
  26. 9.2
  27. 5.3
  28. 40
  29. 7.8
  30. 10
  31. 600
  32. 220
  33. 120
  34. 4.6
  35. 200
  36. 36
  37. 3.4
  38. 5.6
  39. 40
  40. 120

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