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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 306 · 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 real bridge is 80 m long. How long is it on the plan, in centimetres?
  2. 2.📐 Why do engineers use scale drawings? (a) to make them pretty (b) to hide sizes (c) to save ink only (d) big things fit on paper
  3. 3.📐 A beam is 120 cm long. How long is it in metres? =
  4. 4.📐 A beam is 760 cm long. How long is it in metres? =
  5. 5.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10000 (c) 10 (d) 100
  6. 6.📐 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?
  7. 7.📐 A beam is 750 cm long. How long is it in metres? =
  8. 8.📐 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?
  9. 9.📐 A beam is 950 cm long. How long is it in metres? =
  10. 10.📐 On a plan, 1 cm stands for 2 m. A real bridge is 40 m long. How long is it on the plan, in centimetres?
  11. 11.📐 A beam is 170 cm long. How long is it in metres? =
  12. 12.📐 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?
  13. 13.📐 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?
  14. 14.📐 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?
  15. 15.📐 How many millimetres are in 1 centimetre? (a) 5 (b) 1000 (c) 10 (d) 100
  16. 16.📐 On a plan, 1 cm stands for 20 m. A wall is 19 cm long on the plan. How long is the real wall, in metres?
  17. 17.📐 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?
  18. 18.📐 On a plan, 1 cm stands for 20 m. A real bridge is 240 m long. How long is it on the plan, in centimetres?
  19. 19.📐 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?
  20. 20.📐 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?
  21. 21.📐 How many centimetres are in 1 metre? (a) 60 (b) 1000 (c) 10 (d) 100
  22. 22.📐 On a plan, 1 cm stands for 20 m. A wall is 20 cm long on the plan. How long is the real wall, in metres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 A beam is 380 cm long. How long is it in metres? =
  26. 26.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 On a plan, 1 cm stands for 10 m. A wall is 5 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 A beam is 230 cm long. How long is it in metres? =
  31. 31.📐 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?
  32. 32.📐 On a plan, 1 cm stands for 2 m. A real bridge is 26 m long. How long is it on the plan, in centimetres?
  33. 33.📐 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?
  34. 34.📐 A beam is 270 cm long. How long is it in metres? =
  35. 35.📐 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?
  36. 36.📐 On a plan, 1 cm stands for 2 m. A wall is 15 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 310 cm long. How long is it in metres? =
  38. 38.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 5 cm long in the drawing. How long is the real car, in centimetres?
  39. 39.📐 A beam is 280 cm long. How long is it in metres? =
  40. 40.📐 On a plan, 1 cm stands for 20 m. A real bridge is 300 m long. How long is it on the plan, in centimetres?

Answer key

  1. 4
  2. big things fit on paper
  3. 1.2
  4. 7.6
  5. 1000
  6. 40
  7. 7.5
  8. 6
  9. 9.5
  10. 20
  11. 1.7
  12. 150
  13. 30
  14. 50
  15. 10
  16. 380
  17. 120
  18. 12
  19. 260
  20. 270
  21. 100
  22. 400
  23. 60
  24. 360
  25. 3.8
  26. 100
  27. 6
  28. 80
  29. 50
  30. 2.3
  31. 26
  32. 13
  33. 360
  34. 2.7
  35. 90
  36. 30
  37. 3.1
  38. 200
  39. 2.8
  40. 15

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