Building on Students' Intuitive Strategies to Make Sense of Cross Multiplication
Melissa D. Boston, Margaret S. Smith, and Amy F. Hillen
November 2003, Volume 9, Issue 3, Page 150
Article describes the intuitive proportional reasoning strategies that students used to solve a set of missing value problems and how these strategies might be used to build meaning and understanding for the cross-multiplication algorithm.
Problem Solving / Problem Posing
Ratios / Proportions