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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 298 · 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 910 cm long. How long is it in metres? =
  2. 2.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  3. 3.📐 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?
  4. 4.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  5. 5.📐 A beam is 110 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 5 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  7. 7.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 2 m. A wall is 16 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 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 A beam is 860 cm long. How long is it in metres? =
  16. 16.📐 A beam is 750 cm long. How long is it in metres? =
  17. 17.📐 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?
  18. 18.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 10 (d) 1000
  19. 19.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 670 cm long. How long is it in metres? =
  22. 22.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 10000 (d) 1000
  23. 23.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to make them pretty (c) to hide sizes (d) to save ink only
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  25. 25.📐 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?
  26. 26.📐 A beam is 970 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 6 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  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 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 5 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  34. 34.📐 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?
  35. 35.📐 A beam is 560 cm long. How long is it in metres? =
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 10 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 A beam is 480 cm long. How long is it in metres? =

Answer key

  1. 9.1
  2. 8
  3. 150
  4. 100
  5. 1.1
  6. 2
  7. 8
  8. 4
  9. 220
  10. 180
  11. 12
  12. 32
  13. 440
  14. 70
  15. 8.6
  16. 7.5
  17. 50
  18. 10
  19. 360
  20. 13
  21. 6.7
  22. 1000
  23. big things fit on paper
  24. 20
  25. 15
  26. 9.7
  27. 240
  28. 16
  29. 12
  30. 100
  31. 100
  32. 160
  33. 8
  34. 20
  35. 5.6
  36. 260
  37. 140
  38. 7
  39. 200
  40. 4.8

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