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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 30 · 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 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 How many metres are in 1 kilometre? (a) 1000 (b) 100 (c) 10 (d) 10000
  5. 5.📐 A beam is 920 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  7. 7.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  8. 8.📐 A beam is 120 cm long. How long is it in metres? =
  9. 9.📐 A beam is 290 cm long. How long is it in metres? =
  10. 10.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  18. 18.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 100 (d) 5
  19. 19.📐 A beam is 360 cm long. How long is it in metres? =
  20. 20.📐 A beam is 130 cm long. How long is it in metres? =
  21. 21.📐 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?
  22. 22.📐 A beam is 110 cm long. How long is it in metres? =
  23. 23.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A wall is 14 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 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A beam is 550 cm long. How long is it in metres? =
  27. 27.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 A beam is 610 cm long. How long is it in metres? =
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 A beam is 510 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 A beam is 490 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 A beam is 190 cm long. How long is it in metres? =

Answer key

  1. 100
  2. 240
  3. 80
  4. 1000
  5. 9.2
  6. 15
  7. 13
  8. 1.2
  9. 2.9
  10. big things fit on paper
  11. 20
  12. 55
  13. 16
  14. 38
  15. 180
  16. 140
  17. 100
  18. 10
  19. 3.6
  20. 1.3
  21. 8
  22. 1.1
  23. 420
  24. 280
  25. 440
  26. 5.5
  27. 80
  28. 30
  29. 20
  30. 600
  31. 6.1
  32. 150
  33. 50
  34. 5.1
  35. 90
  36. 4.9
  37. 20
  38. 2
  39. 60
  40. 1.9

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