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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 630 · 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 beam is 690 cm long. How long is it in metres? =
  2. 2.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  3. 3.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  5. 5.📐 Why do engineers use scale drawings? (a) to make them pretty (b) big things fit on paper (c) to hide sizes (d) to save ink only
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 A beam is 740 cm long. How long is it in metres? =
  9. 9.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 A beam is 140 cm long. How long is it in metres? =
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 270 cm long. How long is it in metres? =
  14. 14.📐 A beam is 890 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  16. 16.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 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?
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 590 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A beam is 530 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 10 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 A beam is 540 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 770 cm long. How long is it in metres? =
  35. 35.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 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 real bridge is 22 m long. How long is it on the plan, in centimetres?
  37. 37.📐 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?
  38. 38.📐 On a plan, 1 cm stands for 10 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  39. 39.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?

Answer key

  1. 6.9
  2. 100
  3. 240
  4. 1000
  5. big things fit on paper
  6. 120
  7. 12
  8. 7.4
  9. 7
  10. 60
  11. 1.4
  12. 160
  13. 2.7
  14. 8.9
  15. 6
  16. 150
  17. 11
  18. 90
  19. 80
  20. 220
  21. 200
  22. 18
  23. 10
  24. 15
  25. 5.9
  26. 10
  27. 5.3
  28. 220
  29. 12
  30. 120
  31. 80
  32. 5.4
  33. 390
  34. 7.7
  35. 120
  36. 11
  37. 300
  38. 16
  39. 20
  40. 3

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