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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 437 · 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 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 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?
  3. 3.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 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?
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 10 (c) 100 (d) 1000
  6. 6.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 A beam is 880 cm long. How long is it in metres? =
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 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
  14. 14.📐 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?
  15. 15.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  17. 17.📐 A beam is 500 cm long. How long is it in metres? =
  18. 18.📐 A beam is 660 cm long. How long is it in metres? =
  19. 19.📐 A beam is 980 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 5 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 280 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 A beam is 160 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 600 cm long. How long is it in metres? =
  28. 28.📐 A beam is 710 cm long. How long is it in metres? =
  29. 29.📐 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?
  30. 30.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  32. 32.📐 On a plan, 1 cm stands for 10 m. A real bridge is 150 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 480 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 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?
  37. 37.📐 A beam is 690 cm long. How long is it in metres? =
  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 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?
  40. 40.📐 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?

Answer key

  1. 340
  2. 240
  3. 600
  4. 120
  5. 10
  6. 100
  7. 20
  8. 400
  9. 20
  10. 8.8
  11. 60
  12. 4
  13. big things fit on paper
  14. 100
  15. 330
  16. 8
  17. 5
  18. 6.6
  19. 9.8
  20. 8
  21. 2.8
  22. 3
  23. 10
  24. 1.6
  25. 32
  26. 80
  27. 6
  28. 7.1
  29. 7
  30. 450
  31. 4
  32. 15
  33. 4.8
  34. 360
  35. 12
  36. 60
  37. 6.9
  38. 3
  39. 140
  40. 16

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