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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 721 · 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 2 m. A real bridge is 6 m long. How long is it on the plan, in centimetres?
  2. 2.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  3. 3.📐 A beam is 480 cm long. How long is it in metres? =
  4. 4.📐 A beam is 790 cm long. How long is it in metres? =
  5. 5.📐 On a plan, 1 cm stands for 2 m. A real bridge is 32 m long. How long is it on the plan, in centimetres?
  6. 6.📐 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?
  7. 7.📐 A beam is 360 cm long. How long is it in metres? =
  8. 8.📐 A beam is 750 cm long. How long is it in metres? =
  9. 9.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to make them pretty (d) to hide sizes
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 5 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A real bridge is 75 m long. How long is it on the plan, in centimetres?
  13. 13.📐 A beam is 690 cm long. How long is it in metres? =
  14. 14.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  15. 15.📐 A beam is 290 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 11 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A beam is 620 cm long. How long is it in metres? =
  18. 18.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 1000 (d) 60
  19. 19.📐 A beam is 190 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  24. 24.📐 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?
  25. 25.📐 A beam is 220 cm long. How long is it in metres? =
  26. 26.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  27. 27.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  30. 30.📐 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?
  31. 31.📐 A beam is 440 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 20 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 A beam is 350 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  35. 35.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 On a plan, 1 cm stands for 5 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 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?
  38. 38.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 5 (c) 10 (d) 1000
  40. 40.📐 A beam is 340 cm long. How long is it in metres? =

Answer key

  1. 3
  2. 1000
  3. 4.8
  4. 7.9
  5. 16
  6. 18
  7. 3.6
  8. 7.5
  9. big things fit on paper
  10. 160
  11. 4
  12. 15
  13. 6.9
  14. 20
  15. 2.9
  16. 330
  17. 6.2
  18. 100
  19. 1.9
  20. 36
  21. 8
  22. 140
  23. 2
  24. 10
  25. 2.2
  26. 13
  27. 380
  28. 15
  29. 8
  30. 130
  31. 4.4
  32. 300
  33. 3.5
  34. 2
  35. 90
  36. 15
  37. 150
  38. 360
  39. 10
  40. 3.4

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