A Focus on Fractions is a groundbreaking effort to make the mathematics education research on how students develop their understanding of fraction concepts read

Describes, through use of diagrams and illustrations, the basic concept of fractions, specifically halves, thirds, and fourths.

This resource offers a groundbreaking effort to make mathematics education research on ratios and proportions readily accessible and understandable to preservic

A Focus on Multiplication and Division is a groundbreaking effort to make mathematics education research readily accessible and understandable to pre- and in-se

Food is cut into halves, quarters, and thirds to illustrate how parts make a whole. Simple recipes included.