For some time now, the study of cognitive development has been far and away the most active discipline within developmental psychology. Although there would be

This book was written to help Pre-K through 4th educators recognize the complexities of the mathematics young children are expected to learn, and to identify wh

'An excellent introduction to number systems that is a beautiful wordless picture book as well. . . Over the course of a year (each picture represents a differe

Twos, fives, tens—there are lots of ways to count! Count forward and backward, add and subtract, and practice skip counting with colorful crayons. What other

The authors report the results of some half dozen years of research into when and how children acquire numerical skills. They provide a new set of answers to th