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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 347 · 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 10 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 A beam is 180 cm long. How long is it in metres? =
  3. 3.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  4. 4.📐 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?
  5. 5.📐 A beam is 760 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 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?
  8. 8.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 5 m. A wall is 13 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 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  13. 13.📐 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?
  14. 14.📐 A beam is 190 cm long. How long is it in metres? =
  15. 15.📐 A beam is 730 cm long. How long is it in metres? =
  16. 16.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) to make them pretty (d) big things fit on paper
  17. 17.📐 On a plan, 1 cm stands for 10 m. A real bridge is 110 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 A beam is 360 cm long. How long is it in metres? =
  20. 20.📐 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?
  21. 21.📐 A beam is 320 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 2 m. A real bridge is 10 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  25. 25.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  26. 26.📐 A beam is 240 cm long. How long is it in metres? =
  27. 27.📐 On a plan, 1 cm stands for 10 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  28. 28.📐 On a plan, 1 cm stands for 20 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  29. 29.📐 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?
  30. 30.📐 A beam is 250 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 12 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  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 beam is 670 cm long. How long is it in metres? =
  36. 36.📐 A beam is 570 cm long. How long is it in metres? =
  37. 37.📐 On a plan, 1 cm stands for 20 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  38. 38.📐 A beam is 280 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 80
  2. 1.8
  3. 10
  4. 400
  5. 7.6
  6. 160
  7. 90
  8. 1000
  9. 22
  10. 32
  11. 65
  12. 40
  13. 17
  14. 1.9
  15. 7.3
  16. big things fit on paper
  17. 11
  18. 16
  19. 3.6
  20. 15
  21. 3.2
  22. 5
  23. 6
  24. 10
  25. 100
  26. 2.4
  27. 80
  28. 120
  29. 80
  30. 2.5
  31. 100
  32. 6
  33. 70
  34. 7
  35. 6.7
  36. 5.7
  37. 3
  38. 2.8
  39. 160
  40. 130

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