group theory

Simple text and photos ask students to identify which item in a group is different than the rest.

Introduces the math concept of sorting through the use of simple rebus sentences, a rhyming story, and everyday examples.

Provides an introduction to basic concepts of sorting by color. Written in English and Spanish.

Photographs and simple text introduce young children to the basic mathematical concepts of subtracting and taking away.

Simple text and color photographs introduce basic concepts of sorting by color.

Provides an introduction to basic concepts of sorting by color. Written in English and Spanish.

When Aakar and Miranda visit their grandmother, she teaches them about math using the number ten and demonstrates different ways to use it through games and activities. Includes color illustrations, a glossary, a chant, and an index.

Simple text and photos show how to sort items according to particular characteristics, presenting examples sorted by size, pattern, shape, and use.

Simple text and illustrations of shells, stones, and leaves show how to subtract.

A simple introduction to the mathematical concept of regrouping to help early learners with addition and subtraction skills, including explained sample problems and related activities.