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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 542 · 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.📐 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?
  2. 2.📐 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?
  3. 3.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 5 (d) 1000
  4. 4.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  5. 5.📐 A beam is 180 cm long. How long is it in metres? =
  6. 6.📐 On a plan, 1 cm stands for 2 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 110 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  14. 14.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  15. 15.📐 How many centimetres are in 1 metre? (a) 100 (b) 1000 (c) 10 (d) 60
  16. 16.📐 A beam is 170 cm long. How long is it in metres? =
  17. 17.📐 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
  18. 18.📐 A beam is 260 cm long. How long is it in metres? =
  19. 19.📐 A beam is 540 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 A beam is 560 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 A beam is 520 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 5 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A beam is 710 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A beam is 230 cm long. How long is it in metres? =
  34. 34.📐 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?
  35. 35.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  36. 36.📐 A beam is 550 cm long. How long is it in metres? =
  37. 37.📐 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?
  38. 38.📐 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?
  39. 39.📐 A beam is 120 cm long. How long is it in metres? =
  40. 40.📐 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?

Answer key

  1. 120
  2. 400
  3. 10
  4. 1000
  5. 1.8
  6. 32
  7. 60
  8. 100
  9. 6
  10. 9
  11. 1.1
  12. 70
  13. 10
  14. 70
  15. 100
  16. 1.7
  17. big things fit on paper
  18. 2.6
  19. 5.4
  20. 220
  21. 6
  22. 15
  23. 18
  24. 5.6
  25. 160
  26. 16
  27. 140
  28. 5.2
  29. 100
  30. 7.1
  31. 480
  32. 360
  33. 2.3
  34. 7
  35. 30
  36. 5.5
  37. 140
  38. 50
  39. 1.2
  40. 90

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