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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 490 · 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.📐 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?
  2. 2.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 60 (d) 1000
  3. 3.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  4. 4.📐 On a plan, 1 cm stands for 10 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  5. 5.📐 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?
  6. 6.📐 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?
  7. 7.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  8. 8.📐 On a plan, 1 cm stands for 10 m. A wall is 9 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  10. 10.📐 A beam is 680 cm long. How long is it in metres? =
  11. 11.📐 A beam is 240 cm long. How long is it in metres? =
  12. 12.📐 A beam is 230 cm long. How long is it in metres? =
  13. 13.📐 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
  14. 14.📐 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?
  15. 15.📐 A beam is 280 cm long. How long is it in metres? =
  16. 16.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  17. 17.📐 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?
  18. 18.📐 A beam is 980 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 On a plan, 1 cm stands for 10 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 A beam is 480 cm long. How long is it in metres? =
  23. 23.📐 A beam is 770 cm long. How long is it in metres? =
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 On a plan, 1 cm stands for 10 m. A real bridge is 20 m long. How long is it on the plan, in centimetres?
  27. 27.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 9 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 20 cm. The car is 10 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 7 cm long in the drawing. How long is the real car, in centimetres?
  30. 30.📐 A beam is 890 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 15 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 9 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 A beam is 840 cm long. How long is it in metres? =
  36. 36.📐 A beam is 300 cm long. How long is it in metres? =
  37. 37.📐 A beam is 560 cm long. How long is it in metres? =
  38. 38.📐 A beam is 570 cm long. How long is it in metres? =
  39. 39.📐 A beam is 250 cm long. How long is it in metres? =
  40. 40.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000

Answer key

  1. 220
  2. 100
  3. 2
  4. 170
  5. 300
  6. 26
  7. 10
  8. 90
  9. 60
  10. 6.8
  11. 2.4
  12. 2.3
  13. big things fit on paper
  14. 15
  15. 2.8
  16. 18
  17. 160
  18. 9.8
  19. 11
  20. 22
  21. 120
  22. 4.8
  23. 7.7
  24. 80
  25. 390
  26. 2
  27. 360
  28. 200
  29. 210
  30. 8.9
  31. 220
  32. 6
  33. 600
  34. 180
  35. 8.4
  36. 3
  37. 5.6
  38. 5.7
  39. 2.5
  40. 1000

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