group theory

Text and photographs explore shape.

Text and photographs explore color.

Text and photographs explore color.

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

Photographs and simple text introduce children to the concept of grouping things based on size, color, and shape.

Introduces readers to Hope's day packing for a trip. Discusses the concept of sorting by showing Hope and her mom sort their items into different suitcases. Additional features to aid comprehension include vivid photographs, Extended Learning activities, a phonetic glossary, and sources for further research.

Introduces sorting by shape.

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

Curious George goes to a dog show and comes home with more than just good memories.

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