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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 750 · 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 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 20 m. A real bridge is 340 m long. How long is it on the plan, in centimetres?
  3. 3.📐 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?
  4. 4.📐 Why do engineers use scale drawings? (a) to save ink only (b) to make them pretty (c) big things fit on paper (d) to hide sizes
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 A beam is 970 cm long. How long is it in metres? =
  7. 7.📐 How many metres are in 1 kilometre? (a) 100 (b) 10 (c) 1000 (d) 10000
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 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?
  11. 11.📐 On a plan, 1 cm stands for 20 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  12. 12.📐 How many centimetres are in 1 metre? (a) 10 (b) 100 (c) 1000 (d) 60
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 2 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  16. 16.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 4 cm long in the drawing. How long is the real car, in centimetres?
  18. 18.📐 A beam is 370 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 A beam is 250 cm long. How long is it in metres? =
  21. 21.📐 A beam is 730 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 2 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 10 (c) 1000 (d) 5
  24. 24.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 13 cm long in the drawing. How long is the real car, in centimetres?
  25. 25.📐 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?
  26. 26.📐 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?
  27. 27.📐 A beam is 160 cm long. How long is it in metres? =
  28. 28.📐 A beam is 880 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 20 m. A wall is 7 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A beam is 190 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A beam is 310 cm long. How long is it in metres? =
  34. 34.📐 On a plan, 1 cm stands for 20 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  35. 35.📐 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?
  36. 36.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 14 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 A beam is 690 cm long. How long is it in metres? =
  39. 39.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 9 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 12 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 60
  2. 17
  3. 80
  4. big things fit on paper
  5. 110
  6. 9.7
  7. 1000
  8. 80
  9. 32
  10. 6
  11. 200
  12. 100
  13. 6
  14. 360
  15. 34
  16. 60
  17. 40
  18. 3.7
  19. 16
  20. 2.5
  21. 7.3
  22. 12
  23. 10
  24. 260
  25. 2
  26. 14
  27. 1.6
  28. 8.8
  29. 140
  30. 1.9
  31. 320
  32. 220
  33. 3.1
  34. 360
  35. 300
  36. 100
  37. 420
  38. 6.9
  39. 270
  40. 120

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