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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 109 · 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 20 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 1000 (d) 10
  3. 3.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 2 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 real bridge is 160 m long. How long is it on the plan, in centimetres?
  5. 5.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 A beam is 280 cm long. How long is it in metres? =
  7. 7.📐 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?
  8. 8.📐 How many metres are in 1 kilometre? (a) 100 (b) 1000 (c) 10000 (d) 10
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  13. 13.📐 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?
  14. 14.📐 A beam is 220 cm long. How long is it in metres? =
  15. 15.📐 A beam is 160 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 A beam is 950 cm long. How long is it in metres? =
  18. 18.📐 How many centimetres are in 1 metre? (a) 1000 (b) 60 (c) 10 (d) 100
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 A beam is 980 cm long. How long is it in metres? =
  22. 22.📐 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?
  23. 23.📐 A beam is 590 cm long. How long is it in metres? =
  24. 24.📐 A beam is 540 cm long. How long is it in metres? =
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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
  27. 27.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  28. 28.📐 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?
  29. 29.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 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 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 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 90 m long. How long is it on the plan, in centimetres?
  34. 34.📐 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?
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 A beam is 230 cm long. How long is it in metres? =
  37. 37.📐 A beam is 350 cm long. How long is it in metres? =
  38. 38.📐 A beam is 550 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 2 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 80
  2. 10
  3. 80
  4. 16
  5. 560
  6. 2.8
  7. 11
  8. 1000
  9. 10
  10. 2
  11. 60
  12. 8
  13. 600
  14. 2.2
  15. 1.6
  16. 420
  17. 9.5
  18. 100
  19. 5
  20. 240
  21. 9.8
  22. 20
  23. 5.9
  24. 5.4
  25. 150
  26. big things fit on paper
  27. 5
  28. 18
  29. 100
  30. 100
  31. 240
  32. 7
  33. 18
  34. 170
  35. 300
  36. 2.3
  37. 3.5
  38. 5.5
  39. 36
  40. 280

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