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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 301 · 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.📐 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?
  2. 2.📐 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?
  3. 3.📐 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?
  4. 4.📐 On a plan, 1 cm stands for 2 m. A real bridge is 38 m long. How long is it on the plan, in centimetres?
  5. 5.📐 On a plan, 1 cm stands for 10 m. A wall is 18 cm long on the plan. How long is the real wall, in metres?
  6. 6.📐 A beam is 580 cm long. How long is it 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 wall is 19 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 On a plan, 1 cm stands for 5 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 How many centimetres are in 1 metre? (a) 10 (b) 60 (c) 100 (d) 1000
  11. 11.📐 On a plan, 1 cm stands for 10 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 On a plan, 1 cm stands for 5 m. A wall is 15 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 13 cm long in the drawing. How long is the real car, in centimetres?
  17. 17.📐 On a plan, 1 cm stands for 20 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  18. 18.📐 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?
  19. 19.📐 On a plan, 1 cm stands for 20 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  20. 20.📐 On a plan, 1 cm stands for 20 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  21. 21.📐 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?
  22. 22.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 10 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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?
  27. 27.📐 A beam is 370 cm long. How long is it in metres? =
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 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?
  31. 31.📐 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?
  32. 32.📐 A beam is 980 cm long. How long is it in metres? =
  33. 33.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 12 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 420 cm long. How long is it in metres? =
  35. 35.📐 A beam is 460 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 2 m. A real bridge is 16 m long. How long is it on the plan, in centimetres?
  37. 37.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  38. 38.📐 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?
  39. 39.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to hide sizes (c) to save ink only (d) to make them pretty
  40. 40.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?

Answer key

  1. 90
  2. 140
  3. 15
  4. 19
  5. 180
  6. 5.8
  7. 1000
  8. 95
  9. 50
  10. 100
  11. 4
  12. 170
  13. 60
  14. 390
  15. 75
  16. 130
  17. 9
  18. 200
  19. 240
  20. 320
  21. 220
  22. 280
  23. 300
  24. 160
  25. 30
  26. 16
  27. 3.7
  28. 34
  29. 520
  30. 20
  31. 80
  32. 9.8
  33. 480
  34. 4.2
  35. 4.6
  36. 8
  37. 50
  38. 40
  39. big things fit on paper
  40. 150

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