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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 407 · 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.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  2. 2.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10000 (c) 10 (d) 100
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 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?
  7. 7.📐 A beam is 350 cm long. How long is it in metres? =
  8. 8.📐 A beam is 790 cm long. How long is it in metres? =
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  12. 12.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 120 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 A beam is 650 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  28. 28.📐 On a plan, 1 cm stands for 20 m. A wall is 3 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 wall is 14 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 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A beam is 720 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 10 m. A real bridge is 130 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  34. 34.📐 A beam is 310 cm long. How long is it in metres? =
  35. 35.📐 A beam is 480 cm long. How long is it in metres? =
  36. 36.📐 A beam is 320 cm long. How long is it in metres? =
  37. 37.📐 A beam is 420 cm long. How long is it in metres? =
  38. 38.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 A beam is 180 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?

Answer key

  1. 10
  2. 1000
  3. 200
  4. 200
  5. 200
  6. 260
  7. 3.5
  8. 7.9
  9. 3
  10. 240
  11. big things fit on paper
  12. 60
  13. 1.2
  14. 100
  15. 8
  16. 11
  17. 8
  18. 85
  19. 6.5
  20. 6
  21. 15
  22. 130
  23. 12
  24. 60
  25. 60
  26. 7
  27. 4
  28. 60
  29. 140
  30. 150
  31. 7.2
  32. 13
  33. 100
  34. 3.1
  35. 4.8
  36. 3.2
  37. 4.2
  38. 80
  39. 1.8
  40. 5

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