I like to use lids from butter tubs to model fractions. If one cuts a slit from the edge to the center on each lid, they can be nested and one slid about the other to show different amounts. This works even better if the two lids are different colors (of course).
According to Karen Dee Michalowicz: > What's your best fraction manipulative? My favorite all > purpose manipulative is the Tangram.
-- Gail R. Englert ;-} One of the secrets of life is to make email@example.com stepping stones out of stumbling blocks. ... Jack Penn