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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 59 · 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 20 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  2. 2.📐 On a plan, 1 cm stands for 5 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  3. 3.📐 A beam is 980 cm long. How long is it in metres? =
  4. 4.📐 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?
  5. 5.📐 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?
  6. 6.📐 How many centimetres are in 1 metre? (a) 60 (b) 100 (c) 10 (d) 1000
  7. 7.📐 On a plan, 1 cm stands for 2 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  8. 8.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to hide sizes (c) to make them pretty (d) to save ink only
  9. 9.📐 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?
  10. 10.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 3 cm long in the drawing. How long is the real car, in centimetres?
  11. 11.📐 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?
  12. 12.📐 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?
  13. 13.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  14. 14.📐 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?
  15. 15.📐 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?
  16. 16.📐 A beam is 210 cm long. How long is it in metres? =
  17. 17.📐 On a plan, 1 cm stands for 5 m. A wall is 17 cm long on the plan. How long is the real wall, in metres?
  18. 18.📐 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?
  19. 19.📐 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?
  20. 20.📐 On a plan, 1 cm stands for 2 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 On a plan, 1 cm stands for 5 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  22. 22.📐 On a plan, 1 cm stands for 10 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  23. 23.📐 On a plan, 1 cm stands for 10 m. A wall is 2 cm long on the plan. How long is the real wall, in metres?
  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.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 10 (d) 1000
  26. 26.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 100 (c) 10 (d) 5
  27. 27.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  28. 28.📐 A beam is 410 cm long. How long is it in metres? =
  29. 29.📐 On a plan, 1 cm stands for 2 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A beam is 240 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 14 m long. How long is it on the plan, in centimetres?
  33. 33.📐 A beam is 720 cm long. How long is it in metres? =
  34. 34.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 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?
  36. 36.📐 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?
  37. 37.📐 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?
  38. 38.📐 A beam is 510 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 4 cm long in the drawing. How long is the real car, in centimetres?
  40. 40.📐 On a plan, 1 cm stands for 20 m. A wall is 13 cm long on the plan. How long is the real wall, in metres?

Answer key

  1. 340
  2. 10
  3. 9.8
  4. 100
  5. 160
  6. 100
  7. 10
  8. big things fit on paper
  9. 270
  10. 120
  11. 32
  12. 15
  13. 240
  14. 4
  15. 16
  16. 2.1
  17. 85
  18. 3
  19. 2
  20. 38
  21. 80
  22. 20
  23. 20
  24. 260
  25. 1000
  26. 10
  27. 450
  28. 4.1
  29. 40
  30. 2.4
  31. 420
  32. 7
  33. 7.2
  34. 150
  35. 140
  36. 220
  37. 280
  38. 5.1
  39. 120
  40. 260

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