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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 968 · 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.

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  1. 1.📐 On a plan, 1 cm stands for 5 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 A beam is 320 cm long. How long is it in metres? =
  3. 3.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 A beam is 900 cm long. How long is it in metres? =
  5. 5.📐 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?
  6. 6.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to hide sizes (c) to save ink only (d) to make them pretty
  7. 7.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 A beam is 560 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 A beam is 190 cm long. How long is it in metres? =
  12. 12.📐 A beam is 540 cm long. How long is it in metres? =
  13. 13.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A beam is 180 cm long. How long is it in metres? =
  18. 18.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 5 (d) 10
  19. 19.📐 A beam is 920 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 10 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 1000 (d) 100
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 5 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 A beam is 350 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 2 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 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  35. 35.📐 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?
  36. 36.📐 A beam is 740 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 25
  2. 3.2
  3. 150
  4. 9
  5. 280
  6. big things fit on paper
  7. 90
  8. 5.6
  9. 80
  10. 13
  11. 1.9
  12. 5.4
  13. 90
  14. 300
  15. 30
  16. 140
  17. 1.8
  18. 10
  19. 9.2
  20. 5
  21. 40
  22. 280
  23. 17
  24. 5
  25. 90
  26. 120
  27. 100
  28. 16
  29. 20
  30. 30
  31. 3.5
  32. 110
  33. 6
  34. 12
  35. 4
  36. 7.4
  37. 16
  38. 20
  39. 140
  40. 100

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