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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 841 · 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 14 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 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?
  3. 3.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  4. 4.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many centimetres are in 1 metre? (a) 1000 (b) 100 (c) 60 (d) 10
  6. 6.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  7. 7.📐 How many metres are in 1 kilometre? (a) 10 (b) 10000 (c) 1000 (d) 100
  8. 8.📐 A beam is 830 cm long. How long is it in metres? =
  9. 9.📐 A beam is 520 cm long. How long is it in metres? =
  10. 10.📐 A beam is 310 cm long. How long is it in metres? =
  11. 11.📐 On a plan, 1 cm stands for 5 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 20 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 A beam is 970 cm long. How long is it in metres? =
  14. 14.📐 A beam is 170 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 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?
  19. 19.📐 A beam is 370 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  22. 22.📐 A beam is 200 cm long. How long is it in metres? =
  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.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) big things fit on paper (d) to save ink only
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 220 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 100 (d) 1000
  30. 30.📐 On a plan, 1 cm stands for 2 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 A beam is 390 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A real bridge is 400 m long. How long is it on the plan, in centimetres?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 On a plan, 1 cm stands for 20 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 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?
  40. 40.📐 A beam is 340 cm long. How long is it in metres? =

Answer key

  1. 70
  2. 18
  3. 19
  4. 20
  5. 100
  6. 270
  7. 1000
  8. 8.3
  9. 5.2
  10. 3.1
  11. 16
  12. 120
  13. 9.7
  14. 1.7
  15. 12
  16. 8
  17. 19
  18. 50
  19. 3.7
  20. 200
  21. 160
  22. 2
  23. 100
  24. big things fit on paper
  25. 11
  26. 2
  27. 2.2
  28. 180
  29. 10
  30. 8
  31. 14
  32. 320
  33. 3.9
  34. 200
  35. 20
  36. 240
  37. 14
  38. 180
  39. 40
  40. 3.4

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