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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 851 · 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 beam is 950 cm long. How long is it in metres? =
  2. 2.📐 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?
  3. 3.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  4. 4.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  5. 5.📐 On a plan, 1 cm stands for 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 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?
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 On a plan, 1 cm stands for 10 m. A real bridge is 30 m long. How long is it on the plan, in centimetres?
  10. 10.📐 On a plan, 1 cm stands for 2 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  11. 11.📐 On a plan, 1 cm stands for 10 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 A beam is 920 cm long. How long is it in metres? =
  15. 15.📐 A beam is 650 cm long. How long is it in metres? =
  16. 16.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 On a plan, 1 cm stands for 5 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  19. 19.📐 A beam is 340 cm long. How long is it in metres? =
  20. 20.📐 How many metres are in 1 kilometre? (a) 10000 (b) 10 (c) 100 (d) 1000
  21. 21.📐 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?
  22. 22.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 2 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 A beam is 680 cm long. How long is it in metres? =
  27. 27.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 A beam is 250 cm long. How long is it in metres? =
  31. 31.📐 A beam is 140 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  34. 34.📐 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?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 A beam is 200 cm long. How long is it in metres? =
  39. 39.📐 On a plan, 1 cm stands for 20 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  40. 40.📐 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?

Answer key

  1. 9.5
  2. 240
  3. 220
  4. 100
  5. 22
  6. 200
  7. 14
  8. 30
  9. 3
  10. 4
  11. 14
  12. 360
  13. 15
  14. 9.2
  15. 6.5
  16. 100
  17. 80
  18. 25
  19. 3.4
  20. 1000
  21. 14
  22. big things fit on paper
  23. 100
  24. 5
  25. 28
  26. 6.8
  27. 60
  28. 320
  29. 15
  30. 2.5
  31. 1.4
  32. 560
  33. 400
  34. 16
  35. 70
  36. 19
  37. 200
  38. 2
  39. 100
  40. 80

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