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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 20 · 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.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to make them pretty (d) to save ink only
  2. 2.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 10 (d) 60
  3. 3.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  6. 6.📐 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?
  7. 7.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  8. 8.📐 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?
  9. 9.📐 A beam is 940 cm long. How long is it in metres? =
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 On a plan, 1 cm stands for 10 m. A wall is 12 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 7 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 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 30 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 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?
  28. 28.📐 A beam is 310 cm long. How long is it in metres? =
  29. 29.📐 A beam is 460 cm long. How long is it in metres? =
  30. 30.📐 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?
  31. 31.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 5 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 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 290 cm long. How long is it in metres? =
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 A beam is 270 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 A beam is 780 cm long. How long is it in metres? =

Answer key

  1. big things fit on paper
  2. 100
  3. 400
  4. 70
  5. 10
  6. 130
  7. 1000
  8. 280
  9. 9.4
  10. 55
  11. 40
  12. 200
  13. 120
  14. 14
  15. 3
  16. 6
  17. 15
  18. 50
  19. 4
  20. 300
  21. 360
  22. 2
  23. 120
  24. 240
  25. 50
  26. 10
  27. 70
  28. 3.1
  29. 4.6
  30. 16
  31. 17
  32. 100
  33. 60
  34. 2.9
  35. 7
  36. 8
  37. 2.7
  38. 200
  39. 15
  40. 7.8

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