set theory

Presents simple activities to demonstrate the concept of sorting, using categories like color, shape, and function.

Minna's family pitches in to help her come up with the perfect project for the hundredth day of school, from twenty sets of five sticks to two sets of fifty pieces of pasta.

A rhyming story about a packrat who enjoys sorting his collection of trinkets in a variety of ways. Includes activities.

Asks the reader to sort objects into different groups, such as same colors, like shapes, and similar patterns or sizes.

Activities, projects, and games introduce the concepts of logic, probability, graphic analysis, and problem solving.

Presents an introduction sorting, in simple text with illustrations, providing examples of various animals and creatures found in the ocean and asking the reader to compare them by size, shape, and color.

An introduction to Venn diagrams in their simplest form--circles which sort things into categories.

Photographs and simple text introduce the basic ways to sort toys.

As they consider sorting their rock collection by color, size, type, and hardness, Josh and Amy learn that the same objects can be organized in many different ways.

Photographs and simple text teach children what sorting is, how it is done, and why it is important.