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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 411 · 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.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 100 (c) 1000 (d) 5
  2. 2.📐 On a plan, 1 cm stands for 20 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  5. 5.📐 A beam is 680 cm long. How long is it in metres? =
  6. 6.📐 A beam is 340 cm long. How long is it in metres? =
  7. 7.📐 A beam is 270 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 60 (d) 100
  11. 11.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  12. 12.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to hide sizes (d) to make them pretty
  13. 13.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 10000 (d) 1000
  14. 14.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  15. 15.📐 A beam is 580 cm long. How long is it in metres? =
  16. 16.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A beam is 530 cm long. How long is it in metres? =
  18. 18.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A real bridge is 150 m long. How long is it on the plan, in centimetres?
  22. 22.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 On a plan, 1 cm stands for 5 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  30. 30.📐 A beam is 480 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 A beam is 840 cm long. How long is it in metres? =
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  36. 36.📐 On a plan, 1 cm stands for 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 190 cm long. How long is it in metres? =
  38. 38.📐 A beam is 330 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 10
  2. 140
  3. 55
  4. 60
  5. 6.8
  6. 3.4
  7. 2.7
  8. 600
  9. 36
  10. 100
  11. 16
  12. big things fit on paper
  13. 1000
  14. 12
  15. 5.8
  16. 300
  17. 5.3
  18. 14
  19. 280
  20. 5
  21. 15
  22. 4
  23. 75
  24. 17
  25. 50
  26. 3
  27. 20
  28. 130
  29. 16
  30. 4.8
  31. 3
  32. 10
  33. 210
  34. 8.4
  35. 2
  36. 180
  37. 1.9
  38. 3.3
  39. 180
  40. 6

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