Fuel the Brain
Combine Fractions to Describe Parts of a Whole
If students don't finish their whole lunch one day, a fraction of it will remain. On a second day, if they don't finish their lunch, another fraction will remain. What is the sum of those fractions?
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction Game
This applet allows students to individually practice working with relationships among fractions and ways of combining fractions.