Your learners will love having "Whole the Decomposing Doggie" as a class pet! (You can download him for FREE). He is perfect for math centers or whole group instruction. This companion set includes printables and work mats to help guide your learners and record their thinking. This set includes recording sheets for learners to decompose numbers 2 to 10 and to compose numbers using mixed parts with sums to 10. It also includes a work mat and dog treat counters to use as you compose and decompose numbers.