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Architectural Scaling and Unit Conversion

How to Measure Line Segments with an Imperial Ruler

Key Takeaways

  • 1 inch = 2.54cm
  • The imperial system favours fractions over decimals
  • Always simplify fractions (see video below for tips on simplifying fractions)
  • The length of the ruler lines will help you visually identify if a unit is a sixteenth (1/16), eighth (1/8), or quarter (1/4), etc. 

Simplifying Fractions

References

  1. Watkins, Steve. (2012). Measuring Line Segments Using an Imperial Ruler [video]. https://www.youtube.com/watch?v=1i1EqZeCxMs
  2. Khan Academy. (2010). Fractions in lowest terms | Fractions | Pre-Algebra | Khan Academy [video]. https://www.youtube.com/watch?v=WPimvspI0_c

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