In this book, veteran teacher Deborah Wirth shares her teaching and management tips for keeping the rest of the class engaged in meaningful work while you meet with small guided math groups. The 35 centers she created address one-to-one correspondence, place value, money, patterns, shapes, symmetry, measurement, and more. Each center accommodates a variety of activities, so students can work at the skill level that?s right for them. An invaluable resource for any teacher differentiating math instruction in the primary grades. 128 pages. K-2.