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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 131 · 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 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?
  2. 2.📐 A beam is 320 cm long. How long is it in metres? =
  3. 3.📐 On a plan, 1 cm stands for 10 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  4. 4.📐 A beam is 380 cm long. How long is it in metres? =
  5. 5.📐 A beam is 420 cm long. How long is it in metres? =
  6. 6.📐 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?
  7. 7.📐 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?
  8. 8.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 3 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 3 cm long on the plan. How long is the real wall, in metres?
  10. 10.📐 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?
  11. 11.📐 How many metres are in 1 kilometre? (a) 10000 (b) 100 (c) 1000 (d) 10
  12. 12.📐 How many centimetres are in 1 metre? (a) 100 (b) 10 (c) 1000 (d) 60
  13. 13.📐 A beam is 310 cm long. How long is it in metres? =
  14. 14.📐 A beam is 570 cm long. How long is it in metres? =
  15. 15.📐 On a plan, 1 cm stands for 5 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  16. 16.📐 A beam is 640 cm long. How long is it in metres? =
  17. 17.📐 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
  18. 18.📐 A beam is 230 cm long. How long is it in metres? =
  19. 19.📐 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?
  20. 20.📐 How many millimetres are in 1 centimetre? (a) 10 (b) 1000 (c) 5 (d) 100
  21. 21.📐 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?
  22. 22.📐 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?
  23. 23.📐 On a plan, 1 cm stands for 10 m. A real bridge is 90 m long. How long is it on the plan, in centimetres?
  24. 24.📐 A beam is 900 cm long. How long is it in metres? =
  25. 25.📐 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?
  26. 26.📐 On a plan, 1 cm stands for 10 m. A wall is 10 cm long on the plan. How long is the real wall, in metres?
  27. 27.📐 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?
  28. 28.📐 On a plan, 1 cm stands for 10 m. A real bridge is 80 m long. How long is it on the plan, in centimetres?
  29. 29.📐 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?
  30. 30.📐 A beam is 810 cm long. How long is it in metres? =
  31. 31.📐 A beam is 300 cm long. How long is it in metres? =
  32. 32.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 2 cm long in the drawing. How long is the real car, in centimetres?
  33. 33.📐 On a plan, 1 cm stands for 20 m. A real bridge is 140 m long. How long is it on the plan, in centimetres?
  34. 34.📐 A beam is 550 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 5 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 5 cm long on the plan. How long is the real wall, in metres?
  37. 37.📐 A beam is 790 cm long. How long is it in metres? =
  38. 38.📐 A beam is 290 cm long. How long is it in metres? =
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 40
  2. 3.2
  3. 80
  4. 3.8
  5. 4.2
  6. 160
  7. 70
  8. 90
  9. 6
  10. 200
  11. 1000
  12. 100
  13. 3.1
  14. 5.7
  15. 18
  16. 6.4
  17. big things fit on paper
  18. 2.3
  19. 280
  20. 10
  21. 60
  22. 320
  23. 9
  24. 9
  25. 32
  26. 100
  27. 100
  28. 8
  29. 80
  30. 8.1
  31. 3
  32. 40
  33. 7
  34. 5.5
  35. 50
  36. 100
  37. 7.9
  38. 2.9
  39. 10
  40. 360

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