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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 929 · 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.📐 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?
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 10 (c) 5 (d) 100
  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.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  10. 10.📐 On a plan, 1 cm stands for 2 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 16 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 real bridge is 70 m long. How long is it on the plan, in centimetres?
  14. 14.📐 A beam is 250 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 8 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 190 m long. How long is it on the plan, in centimetres?
  19. 19.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  20. 20.📐 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?
  21. 21.📐 A beam is 150 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 5 m. A real bridge is 25 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A beam is 290 cm long. How long is it in metres? =
  24. 24.📐 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?
  25. 25.📐 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?
  26. 26.📐 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
  27. 27.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 A beam is 840 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 10 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 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?
  31. 31.📐 A beam is 960 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  34. 34.📐 On a plan, 1 cm stands for 20 m. A real bridge is 320 m long. How long is it on the plan, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 36 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 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?
  39. 39.📐 A beam is 850 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 5 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 90
  2. 19
  3. 2
  4. 10
  5. 30
  6. 280
  7. 400
  8. 60
  9. 100
  10. 8
  11. 1000
  12. 320
  13. 7
  14. 2.5
  15. 60
  16. 90
  17. 240
  18. 19
  19. 10
  20. 19
  21. 1.5
  22. 5
  23. 2.9
  24. 18
  25. 9
  26. big things fit on paper
  27. 110
  28. 8.4
  29. 190
  30. 240
  31. 9.6
  32. 6
  33. 15
  34. 16
  35. 18
  36. 360
  37. 420
  38. 8
  39. 8.5
  40. 80

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