Search Mr. Marinich's Edu-Blog!

Tuesday, January 17, 2012

Subtracting Fractions with Unlike Denominators (Pictorial/Array vs. Traditional Method)

video
Video Walkthrough: Subtracting Fractions with Unlike denominators Part 1 features:
  • Both pictorial and array solutions
  • 1/2 - 1/4
  • simplification of the difference 2/8=1/4

video
Video Walkthrough: Subtracting Fractions with Unlike denominators Part 2 features:
  • Traditional Method of solving 1/2 - 1/4
  • Multiples
  • Using LCM (Least Common Multiple) to find a common denominator
  • Why 1/4 = 2/8
New York State Core Curriculum 2011

No comments:

Post a Comment