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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 382 · 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 12 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 A beam is 360 cm long. How long is it in metres? =
  3. 3.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to make them pretty (c) to save ink only (d) big things fit on paper
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 60 (d) 10
  7. 7.📐 A beam is 940 cm long. How long is it in metres? =
  8. 8.📐 A beam is 680 cm long. How long is it in metres? =
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 10 (d) 1000
  14. 14.📐 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?
  15. 15.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 A beam is 820 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 5 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 20 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A beam is 450 cm long. How long is it in metres? =
  21. 21.📐 How many metres are in 1 kilometre? (a) 100 (b) 1000 (c) 10000 (d) 10
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 280 m long. How long is it on the plan, in centimetres?
  23. 23.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  36. 36.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 2 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 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 On a plan, 1 cm stands for 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  39. 39.📐 A beam is 810 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 360
  2. 3.6
  3. big things fit on paper
  4. 14
  5. 200
  6. 100
  7. 9.4
  8. 6.8
  9. 5
  10. 35
  11. 380
  12. 55
  13. 10
  14. 80
  15. 220
  16. 8.2
  17. 50
  18. 150
  19. 220
  20. 4.5
  21. 1000
  22. 14
  23. 100
  24. 14
  25. 20
  26. 80
  27. 80
  28. 100
  29. 60
  30. 80
  31. 6
  32. 40
  33. 70
  34. 60
  35. 9
  36. 60
  37. 240
  38. 3
  39. 8.1
  40. 170

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