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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 795 · 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.

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  1. 1.📐 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?
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 100 (c) 1000 (d) 5
  6. 6.📐 A beam is 110 cm long. How long is it in metres? =
  7. 7.📐 How many centimetres are in 1 metre? (a) 10 (b) 100 (c) 1000 (d) 60
  8. 8.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  9. 9.📐 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?
  10. 10.📐 On a plan, 1 cm stands for 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  12. 12.📐 A beam is 630 cm long. How long is it in metres? =
  13. 13.📐 A beam is 290 cm long. How long is it in metres? =
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 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?
  17. 17.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to save ink only (c) to hide sizes (d) big things fit on paper
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 On a plan, 1 cm stands for 2 m. A wall is 5 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 30 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  24. 24.📐 A beam is 970 cm long. How long is it in metres? =
  25. 25.📐 A beam is 350 cm long. How long is it in metres? =
  26. 26.📐 A beam is 220 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 2 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 20 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  31. 31.📐 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?
  32. 32.📐 A beam is 380 cm long. How long is it in metres? =
  33. 33.📐 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?
  34. 34.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 A beam is 570 cm long. How long is it in metres? =
  36. 36.📐 A beam is 160 cm long. How long is it in metres? =
  37. 37.📐 A beam is 300 cm long. How long is it in metres? =
  38. 38.📐 A beam is 150 cm long. How long is it in metres? =
  39. 39.📐 A beam is 520 cm long. How long is it in metres? =
  40. 40.📐 A beam is 430 cm long. How long is it in metres? =

Answer key

  1. 11
  2. 4
  3. 50
  4. 40
  5. 10
  6. 1.1
  7. 100
  8. 110
  9. 50
  10. 30
  11. 1000
  12. 6.3
  13. 2.9
  14. 240
  15. 30
  16. 16
  17. big things fit on paper
  18. 300
  19. 200
  20. 80
  21. 20
  22. 10
  23. 360
  24. 9.7
  25. 3.5
  26. 2.2
  27. 24
  28. 280
  29. 300
  30. 40
  31. 10
  32. 3.8
  33. 160
  34. 120
  35. 5.7
  36. 1.6
  37. 3
  38. 1.5
  39. 5.2
  40. 4.3

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