Introduces subtraction through the activities of animal students.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! The author and illustrator of the best-s

Friends share their strategies for figuring out how many objects remain as some are taken away.

In this new book from popular consultant and bestselling author Dr. Nicki Newton, you’ll discover how to use Math Running Records to assess students’ basic

This exciting new book helps budding mathematicians discover how to use subtraction. Come along with a museum curator as he prepares a butterfly exhibit. Concep