Montessori Principles

Few clean-ups seem as overwhelming as that of the Montessori fractions.  The halves through sevenths are easy enough for most children, but the 27 hard-to-distinguish red wedges that make up the eighths, ninths, and tenths can leave even Elementary children feeling stuck and discouraged.

I've inherited Montessori fractions in several of my classrooms, and I've often found that a well-meaning predecessor had written the corresponding value on the underside of each fraction piece.  At first gla…