set theory

A little girl uses sorting and classifying skills to tackle the huge mess in her room. Includes related activities and games.

When she spills her grandmother's button box, Kelly and her cousins try to sort them by size, color, and shape and they earn Grandma's gratitude.

Describes how familiar items can be sorted by color, shape, or size.

The neighborhood children organize a cat show and try to figure out the best way to sort all of the cats.

Matt Maticus uses animals found in the African savanna to teach readers how to organize and understand information.

Color illustrations and brief text introduce young children to comparisons and differences.

Explains set theory to children.

This book offers an overview of the development of numbers, discussing their expression in mathematics and measurement and including profiles of visionaries who saw order amidst the numbers.

Colorful illustrations and simple text identify things that are the same.

Three young firefighters must find matching sets of buttons to complete their costumes for a parade, but should they sort them by shape, color, or size?.