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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 73 · 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.📐 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?
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  7. 7.📐 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?
  8. 8.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  9. 9.📐 Why do engineers use scale drawings? (a) to save ink only (b) to hide sizes (c) big things fit on paper (d) to make them pretty
  10. 10.📐 On a plan, 1 cm stands for 2 m. A wall is 5 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 real bridge is 26 m long. How long is it on the plan, in centimetres?
  12. 12.📐 A beam is 780 cm long. How long is it in metres? =
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 A beam is 230 cm long. How long is it in metres? =
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A beam is 450 cm long. How long is it in metres? =
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 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?
  21. 21.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 How many centimetres are in 1 metre? (a) 1000 (b) 60 (c) 100 (d) 10
  25. 25.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A wall is 2 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 real bridge is 40 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 A beam is 480 cm long. How long is it in metres? =
  31. 31.📐 On a plan, 1 cm stands for 2 m. A real bridge is 34 m long. How long is it on the plan, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A real bridge is 35 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 170 cm long. How long is it in metres? =
  34. 34.📐 A beam is 690 cm long. How long is it in metres? =
  35. 35.📐 A beam is 250 cm long. How long is it in metres? =
  36. 36.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 A beam is 590 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 25
  2. 15
  3. 90
  4. 20
  5. 120
  6. 19
  7. 4
  8. 5
  9. big things fit on paper
  10. 10
  11. 13
  12. 7.8
  13. 16
  14. 360
  15. 2.3
  16. 80
  17. 4.5
  18. 60
  19. 200
  20. 32
  21. 1000
  22. 270
  23. 36
  24. 100
  25. 4
  26. 280
  27. 40
  28. 2
  29. 150
  30. 4.8
  31. 17
  32. 7
  33. 1.7
  34. 6.9
  35. 2.5
  36. 240
  37. 320
  38. 5.9
  39. 120
  40. 400

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