# How useful are fraction bars for understanding fraction equivalence and addition? A difficulty factors assessment with 5th, 6th, and 7th graders

### Conference paper

Presented at the Spring 2014 meeting of the Society for Research on Educational Effectiveness (SREE), 2014

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### Cite

**APA**

Wiese, E. S., & Koedinger, K. R. (2014). How useful are fraction bars for understanding fraction equivalence and addition? A difficulty factors assessment with 5th, 6th, and 7th graders. In Presented at the Spring 2014 meeting of the Society for Research on Educational Effectiveness (SREE).

**Chicago/Turabian**

Wiese, Eliane Stampfer, and Kenneth R. Koedinger. “How Useful Are Fraction Bars for Understanding Fraction Equivalence and Addition? A Difficulty Factors Assessment with 5th, 6th, and 7th Graders.” In Presented at the Spring 2014 Meeting of the Society for Research on Educational Effectiveness (SREE), 2014.

**MLA**

Wiese, Eliane Stampfer, and Kenneth R. Koedinger. “How Useful Are Fraction Bars for Understanding Fraction Equivalence and Addition? A Difficulty Factors Assessment with 5th, 6th, and 7th Graders.” Presented at the Spring 2014 Meeting of the Society for Research on Educational Effectiveness (SREE), 2014.