Websites:
- NCTM's http://illuminations.nctm.org/tools/fraction/fraction.asp#ft - Fraction Game Tool
- NCTM's http://illuminations.nctm.org/ActivityDetail.aspx?ID=80 - Equivalent Fraction Tool
- Rational Number Project - http://www.cehd.umn.edu/ci/rationalnumberproject/ (University of Minnesota) Links for the project are about mid-way down. RNP: Initial Fraction Ideas) for teaching students fractions using a multiple representation approach and a companion module (RNP: Fraction Operations and Initial Decimal Ideas)