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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 438 · 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.

NameDateTime takenScore ___ / 40
  1. 1.📐 On a plan, 1 cm stands for 5 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.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  4. 4.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 100 (d) 10000
  5. 5.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  6. 6.📐 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?
  7. 7.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 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?
  9. 9.📐 A beam is 320 cm long. How long is it in metres? =
  10. 10.📐 A beam is 630 cm long. How long is it in metres? =
  11. 11.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  12. 12.📐 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?
  13. 13.📐 A beam is 850 cm long. How long is it in metres? =
  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 beam is 650 cm long. How long is it in metres? =
  16. 16.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 20 m. A wall is 5 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 8 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  22. 22.📐 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?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 A beam is 240 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  27. 27.📐 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?
  28. 28.📐 A beam is 820 cm long. How long is it in metres? =
  29. 29.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 A beam is 560 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 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?

Answer key

  1. 85
  2. 240
  3. big things fit on paper
  4. 1000
  5. 14
  6. 3
  7. 90
  8. 9
  9. 3.2
  10. 6.3
  11. 10
  12. 150
  13. 8.5
  14. 80
  15. 6.5
  16. 180
  17. 11
  18. 100
  19. 160
  20. 40
  21. 2
  22. 600
  23. 13
  24. 50
  25. 2.4
  26. 18
  27. 18
  28. 8.2
  29. 130
  30. 260
  31. 50
  32. 34
  33. 19
  34. 390
  35. 5.6
  36. 13
  37. 110
  38. 330
  39. 260
  40. 10

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