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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 525 · 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 2 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 Why do engineers use scale drawings? (a) to save ink only (b) big things fit on paper (c) to hide sizes (d) to make them pretty
  4. 4.📐 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?
  5. 5.📐 A beam is 350 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  8. 8.📐 A beam is 820 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 1000 (d) 10
  11. 11.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 A beam is 890 cm long. How long is it in metres? =
  15. 15.📐 A beam is 220 cm long. How long is it in metres? =
  16. 16.📐 A beam is 790 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 15 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 How many centimetres are in 1 metre? (a) 100 (b) 60 (c) 1000 (d) 10
  19. 19.📐 On a plan, 1 cm stands for 5 m. A real bridge is 15 m long. How long is it on the plan, in centimetres?
  20. 20.📐 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?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 10 (d) 1000
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  27. 27.📐 On a plan, 1 cm stands for 20 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 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 A beam is 710 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 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?
  35. 35.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 13 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 wall is 3 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?

Answer key

  1. 20
  2. 20
  3. big things fit on paper
  4. 13
  5. 3.5
  6. 200
  7. 11
  8. 8.2
  9. 200
  10. 10
  11. 270
  12. 24
  13. 520
  14. 8.9
  15. 2.2
  16. 7.9
  17. 150
  18. 100
  19. 3
  20. 18
  21. 10
  22. 1000
  23. 360
  24. 3
  25. 7
  26. 15
  27. 340
  28. 8
  29. 17
  30. 160
  31. 7.1
  32. 32
  33. 240
  34. 30
  35. 260
  36. 15
  37. 120
  38. 16
  39. 100
  40. 4

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