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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 254 · 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 beam is 250 cm long. How long is it in metres? =
  2. 2.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 15 cm long in the drawing. How long is the real car, in centimetres?
  3. 3.📐 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?
  4. 4.📐 Why do engineers use scale drawings? (a) big things fit on paper (b) to save ink only (c) to make them pretty (d) to hide sizes
  5. 5.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  6. 6.📐 A beam is 540 cm long. How long is it in metres? =
  7. 7.📐 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?
  8. 8.📐 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?
  9. 9.📐 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?
  10. 10.📐 A beam is 310 cm long. How long is it in metres? =
  11. 11.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 6 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 wall is 5 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 On a plan, 1 cm stands for 10 m. A real bridge is 180 m long. How long is it on the plan, in centimetres?
  14. 14.📐 A beam is 110 cm long. How long is it in metres? =
  15. 15.📐 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?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 How many metres are in 1 kilometre? (a) 1000 (b) 10 (c) 100 (d) 10000
  19. 19.📐 How many millimetres are in 1 centimetre? (a) 1000 (b) 5 (c) 10 (d) 100
  20. 20.📐 On a plan, 1 cm stands for 2 m. A real bridge is 4 m long. How long is it on the plan, in centimetres?
  21. 21.📐 A beam is 420 cm long. How long is it in metres? =
  22. 22.📐 On a plan, 1 cm stands for 20 m. A real bridge is 220 m long. How long is it on the plan, in centimetres?
  23. 23.📐 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?
  24. 24.📐 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?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A real bridge is 200 m long. How long is it on the plan, in centimetres?
  26. 26.📐 A beam is 460 cm long. How long is it in metres? =
  27. 27.📐 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?
  28. 28.📐 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?
  29. 29.📐 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?
  30. 30.📐 On a plan, 1 cm stands for 20 m. A real bridge is 360 m long. How long is it on the plan, in centimetres?
  31. 31.📐 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?
  32. 32.📐 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?
  33. 33.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 6 cm long in the drawing. How long is the real car, in centimetres?
  34. 34.📐 A beam is 870 cm long. How long is it in metres? =
  35. 35.📐 A beam is 160 cm long. How long is it in metres? =
  36. 36.📐 On a plan, 1 cm stands for 5 m. A wall is 14 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 240 cm long. How long is it in metres? =
  38. 38.📐 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?
  39. 39.📐 On a plan, 1 cm stands for 5 m. A real bridge is 65 m long. How long is it on the plan, in centimetres?
  40. 40.📐 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?

Answer key

  1. 2.5
  2. 600
  3. 8
  4. big things fit on paper
  5. 330
  6. 5.4
  7. 8
  8. 100
  9. 420
  10. 3.1
  11. 180
  12. 100
  13. 18
  14. 1.1
  15. 60
  16. 30
  17. 520
  18. 1000
  19. 10
  20. 2
  21. 4.2
  22. 11
  23. 270
  24. 340
  25. 10
  26. 4.6
  27. 120
  28. 40
  29. 240
  30. 18
  31. 360
  32. 12
  33. 120
  34. 8.7
  35. 1.6
  36. 70
  37. 2.4
  38. 300
  39. 13
  40. 12

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