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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 110 · 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 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to hide sizes (d) to make them pretty
  3. 3.📐 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?
  4. 4.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  7. 7.📐 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?
  8. 8.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 820 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 A beam is 250 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  18. 18.📐 A beam is 390 cm long. How long is it in metres? =
  19. 19.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 100 (d) 1000
  21. 21.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A beam is 370 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 5 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 A beam is 840 cm long. How long is it in metres? =
  30. 30.📐 A beam is 830 cm long. How long is it in metres? =
  31. 31.📐 A beam is 240 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  34. 34.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 10 (d) 5
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 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 10 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 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 wall is 15 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 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 11 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 50
  2. big things fit on paper
  3. 90
  4. 1000
  5. 17
  6. 9
  7. 130
  8. 260
  9. 20
  10. 11
  11. 8.2
  12. 40
  13. 90
  14. 2.5
  15. 80
  16. 18
  17. 14
  18. 3.9
  19. 90
  20. 100
  21. 140
  22. 9
  23. 60
  24. 45
  25. 100
  26. 3.7
  27. 18
  28. 85
  29. 8.4
  30. 8.3
  31. 2.4
  32. 120
  33. 11
  34. 10
  35. 180
  36. 20
  37. 200
  38. 150
  39. 16
  40. 22

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