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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 837 · 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) 5 (b) 100 (c) 1000 (d) 10
  2. 2.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100
  3. 3.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  4. 4.📐 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?
  5. 5.📐 A beam is 950 cm long. How long is it in metres? =
  6. 6.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) to make them pretty (d) big things fit on paper
  7. 7.📐 A beam is 800 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 10 (d) 1000
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  15. 15.📐 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?
  16. 16.📐 A beam is 380 cm long. How long is it in metres? =
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 2 m. A wall is 11 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 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A real bridge is 95 m long. How long is it on the plan, in centimetres?
  22. 22.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 A beam is 230 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 A beam is 830 cm long. How long is it in metres? =
  30. 30.📐 A beam is 740 cm long. How long is it in metres? =
  31. 31.📐 A beam is 960 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 A beam is 180 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 A beam is 110 cm long. How long is it in metres? =
  36. 36.📐 A beam is 400 cm long. How long is it in metres? =
  37. 37.📐 A beam is 850 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 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?
  40. 40.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 10
  2. 100
  3. 10
  4. 70
  5. 9.5
  6. big things fit on paper
  7. 8
  8. 80
  9. 7
  10. 1000
  11. 240
  12. 60
  13. 180
  14. 380
  15. 180
  16. 3.8
  17. 12
  18. 20
  19. 22
  20. 60
  21. 19
  22. 180
  23. 100
  24. 200
  25. 2.3
  26. 2
  27. 85
  28. 100
  29. 8.3
  30. 7.4
  31. 9.6
  32. 450
  33. 1.8
  34. 12
  35. 1.1
  36. 4
  37. 8.5
  38. 360
  39. 80
  40. 560

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