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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 145 · 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 800 cm long. How long is it in metres? =
  2. 2.📐 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?
  3. 3.📐 A beam is 530 cm long. How long is it in metres? =
  4. 4.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  5. 5.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  7. 7.📐 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?
  8. 8.📐 A beam is 890 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  13. 13.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
  15. 15.📐 A beam is 700 cm long. How long is it in metres? =
  16. 16.📐 A beam is 570 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 13 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 10 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  19. 19.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  20. 20.📐 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?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 A beam is 750 cm long. How long is it in metres? =
  28. 28.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to hide sizes (d) to make them pretty
  29. 29.📐 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?
  30. 30.📐 A beam is 150 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 2 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 A beam is 110 cm long. How long is it in metres? =
  33. 33.📐 On a plan, 1 cm stands for 10 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 5 m. A real bridge is 45 m long. How long is it on the plan, in centimetres?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 10 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 A beam is 610 cm long. How long is it in metres? =

Answer key

  1. 8
  2. 3
  3. 5.3
  4. 40
  5. 30
  6. 1000
  7. 30
  8. 8.9
  9. 360
  10. 34
  11. 14
  12. 19
  13. 70
  14. 10
  15. 7
  16. 5.7
  17. 130
  18. 18
  19. 280
  20. 400
  21. 440
  22. 40
  23. 100
  24. 80
  25. 60
  26. 50
  27. 7.5
  28. big things fit on paper
  29. 100
  30. 1.5
  31. 18
  32. 1.1
  33. 30
  34. 13
  35. 450
  36. 9
  37. 7
  38. 150
  39. 45
  40. 6.1

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