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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 711 · 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.📐 Why do engineers use scale drawings? (a) to hide sizes (b) big things fit on paper (c) to save ink only (d) to make them pretty
  2. 2.📐 On a plan, 1 cm stands for 10 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  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 5 m. A real bridge is 70 m long. How long is it on the plan, in centimetres?
  5. 5.📐 On a plan, 1 cm stands for 5 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 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?
  7. 7.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 10000 (d) 100
  8. 8.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 1000 (d) 60
  10. 10.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 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?
  12. 12.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 A beam is 180 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 On a plan, 1 cm stands for 2 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A beam is 700 cm long. How long is it in metres? =
  18. 18.📐 On a plan, 1 cm stands for 20 m. A real bridge is 380 m long. How long is it on the plan, in centimetres?
  19. 19.📐 A beam is 730 cm long. How long is it in metres? =
  20. 20.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  22. 22.📐 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?
  23. 23.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 10 m. A real bridge is 170 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A beam is 340 cm long. How long is it in metres? =
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 2 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  28. 28.📐 On a plan, 1 cm stands for 10 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  29. 29.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 5 (c) 1000 (d) 100
  30. 30.📐 A beam is 140 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A beam is 940 cm long. How long is it in metres? =
  34. 34.📐 A beam is 990 cm long. How long is it in metres? =
  35. 35.📐 A beam is 710 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 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?
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. big things fit on paper
  2. 130
  3. 80
  4. 14
  5. 40
  6. 20
  7. 1000
  8. 180
  9. 100
  10. 200
  11. 36
  12. 90
  13. 30
  14. 1.8
  15. 19
  16. 26
  17. 7
  18. 19
  19. 7.3
  20. 320
  21. 4
  22. 140
  23. 50
  24. 17
  25. 3.4
  26. 18
  27. 15
  28. 5
  29. 10
  30. 1.4
  31. 8
  32. 180
  33. 9.4
  34. 9.9
  35. 7.1
  36. 12
  37. 120
  38. 200
  39. 14
  40. 13

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