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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 9 · 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 10 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  2. 2.📐 A beam is 620 cm long. How long is it in metres? =
  3. 3.📐 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?
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 10 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 20 m. A real bridge is 260 m long. How long is it on the plan, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  9. 9.📐 On a plan, 1 cm stands for 2 m. A real bridge is 22 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 A beam is 560 cm long. How long is it in metres? =
  12. 12.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 How many metres are in 1 kilometre? (a) 10 (b) 100 (c) 10000 (d) 1000
  15. 15.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  19. 19.📐 A beam is 630 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 A beam is 510 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 A beam is 790 cm long. How long is it in metres? =
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 A beam is 820 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 A beam is 350 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A wall is 5 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 7 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) big things fit on paper (d) to hide sizes
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  36. 36.📐 A beam is 200 cm long. How long is it in metres? =
  37. 37.📐 A beam is 830 cm long. How long is it in metres? =
  38. 38.📐 How many centimetres are in 1 metre? (a) 10 (b) 1000 (c) 100 (d) 60
  39. 39.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?

Answer key

  1. 16
  2. 6.2
  3. 240
  4. 170
  5. 50
  6. 70
  7. 13
  8. 4
  9. 11
  10. 14
  11. 5.6
  12. 240
  13. 10
  14. 1000
  15. 150
  16. 450
  17. 60
  18. 120
  19. 6.3
  20. 200
  21. 5.1
  22. 35
  23. 7.9
  24. 160
  25. 8.2
  26. 220
  27. 3.5
  28. 400
  29. 50
  30. 140
  31. big things fit on paper
  32. 280
  33. 100
  34. 480
  35. 10
  36. 2
  37. 8.3
  38. 100
  39. 7
  40. 2

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