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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 935 · 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 40 cm. The car is 8 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 A beam is 370 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 20 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  4. 4.📐 How many centimetres are in 1 metre? (a) 60 (b) 10 (c) 1000 (d) 100
  5. 5.📐 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?
  6. 6.📐 On a plan, 1 cm stands for 5 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  7. 7.📐 How many metres are in 1 kilometre? (a) 100 (b) 10000 (c) 1000 (d) 10
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 20 m. A real bridge is 120 m long. How long is it on the plan, in centimetres?
  13. 13.📐 On a plan, 1 cm stands for 5 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  14. 14.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 100 (c) 10 (d) 1000
  15. 15.📐 A beam is 730 cm long. How long is it in metres? =
  16. 16.📐 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?
  17. 17.📐 Why do engineers use scale drawings? (a) to hide sizes (b) to save ink only (c) big things fit on paper (d) to make them pretty
  18. 18.📐 A beam is 630 cm long. How long is it in metres? =
  19. 19.📐 A beam is 280 cm long. How long is it in metres? =
  20. 20.📐 On a plan, 1 cm stands for 2 m. A real bridge is 18 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 220 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 100 m long. How long is it on the plan, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 2 m. A real bridge is 8 m long. How long is it on the plan, in centimetres?
  24. 24.📐 On a plan, 1 cm stands for 20 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  25. 25.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  26. 26.📐 A beam is 300 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 A model car is drawn so that 1 cm stands for 30 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 5 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 5 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 160 m long. How long is it on the plan, in centimetres?
  34. 34.📐 A beam is 690 cm long. How long is it in metres? =
  35. 35.📐 A beam is 490 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 24 m long. How long is it on the plan, in centimetres?
  37. 37.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  38. 38.📐 On a plan, 1 cm stands for 2 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  39. 39.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 10 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 320
  2. 3.7
  3. 4
  4. 100
  5. 6
  6. 90
  7. 1000
  8. 15
  9. 80
  10. 3
  11. 280
  12. 6
  13. 12
  14. 10
  15. 7.3
  16. 24
  17. big things fit on paper
  18. 6.3
  19. 2.8
  20. 9
  21. 2.2
  22. 5
  23. 4
  24. 2
  25. 140
  26. 3
  27. 300
  28. 240
  29. 30
  30. 300
  31. 60
  32. 35
  33. 8
  34. 6.9
  35. 4.9
  36. 12
  37. 60
  38. 16
  39. 520
  40. 140

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