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Scale Drawing Worksheet

Engineering lesson 23: Measuring and scale drawings · Set 65 · 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 40 cm. The car is 9 cm long in the drawing. How long is the real car, in centimetres?
  2. 2.📐 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?
  3. 3.📐 A beam is 310 cm long. How long is it in metres? =
  4. 4.📐 How many metres are in 1 kilometre? (a) 10 (b) 1000 (c) 10000 (d) 100
  5. 5.📐 How many millimetres are in 1 centimetre? (a) 100 (b) 1000 (c) 10 (d) 5
  6. 6.📐 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?
  7. 7.📐 A model car is drawn so that 1 cm stands for 40 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  8. 8.📐 On a plan, 1 cm stands for 10 m. A wall is 16 cm long on the plan. How long is the real wall, in metres?
  9. 9.📐 A beam is 610 cm long. How long is it in metres? =
  10. 10.📐 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
  11. 11.📐 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?
  12. 12.📐 On a plan, 1 cm stands for 5 m. A wall is 4 cm long on the plan. How long is the real wall, in metres?
  13. 13.📐 On a plan, 1 cm stands for 20 m. A real bridge is 400 m long. How long is it on the plan, in centimetres?
  14. 14.📐 On a plan, 1 cm stands for 5 m. A real bridge is 35 m long. How long is it on the plan, in centimetres?
  15. 15.📐 A model car is drawn so that 1 cm stands for 10 cm. The car is 11 cm long in the drawing. How long is the real car, in centimetres?
  16. 16.📐 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?
  17. 17.📐 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?
  18. 18.📐 On a plan, 1 cm stands for 5 m. A real bridge is 50 m long. How long is it on the plan, in centimetres?
  19. 19.📐 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?
  20. 20.📐 A model car is drawn so that 1 cm stands for 30 cm. The car is 10 cm long in the drawing. How long is the real car, in centimetres?
  21. 21.📐 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?
  22. 22.📐 How many centimetres are in 1 metre? (a) 10 (b) 100 (c) 60 (d) 1000
  23. 23.📐 On a plan, 1 cm stands for 10 m. A wall is 6 cm long on the plan. How long is the real wall, in metres?
  24. 24.📐 On a plan, 1 cm stands for 2 m. A real bridge is 28 m long. How long is it on the plan, in centimetres?
  25. 25.📐 On a plan, 1 cm stands for 20 m. A wall is 8 cm long on the plan. How long is the real wall, in metres?
  26. 26.📐 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?
  27. 27.📐 On a plan, 1 cm stands for 5 m. A real bridge is 55 m long. How long is it on the plan, in centimetres?
  28. 28.📐 A model car is drawn so that 1 cm stands for 20 cm. The car is 7 cm long in the drawing. How long is the real car, in centimetres?
  29. 29.📐 On a plan, 1 cm stands for 5 m. A wall is 12 cm long on the plan. How long is the real wall, in metres?
  30. 30.📐 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?
  31. 31.📐 A beam is 120 cm long. How long is it in metres? =
  32. 32.📐 On a plan, 1 cm stands for 2 m. A wall is 11 cm long on the plan. How long is the real wall, in metres?
  33. 33.📐 A beam is 250 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 3 cm long in the drawing. How long is the real car, in centimetres?
  35. 35.📐 On a plan, 1 cm stands for 20 m. A wall is 3 cm long on the plan. How long is the real wall, in metres?
  36. 36.📐 A beam is 560 cm long. How long is it in metres? =
  37. 37.📐 A beam is 850 cm long. How long is it in metres? =
  38. 38.📐 On a plan, 1 cm stands for 10 m. A real bridge is 60 m long. How long is it on the plan, in centimetres?
  39. 39.📐 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?
  40. 40.📐 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?

Answer key

  1. 360
  2. 6
  3. 3.1
  4. 1000
  5. 10
  6. 120
  7. 440
  8. 160
  9. 6.1
  10. big things fit on paper
  11. 200
  12. 20
  13. 20
  14. 7
  15. 110
  16. 16
  17. 60
  18. 10
  19. 450
  20. 300
  21. 260
  22. 100
  23. 60
  24. 14
  25. 160
  26. 10
  27. 11
  28. 140
  29. 60
  30. 8
  31. 1.2
  32. 22
  33. 2.5
  34. 30
  35. 60
  36. 5.6
  37. 8.5
  38. 6
  39. 60
  40. 16

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