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Polygon Explorations (Smartboard Version) CCSS Aligned with 4.G.A.2, 5.GB.3, 5.GB.4 Hands-on math lessons are great, but they're even more effective when they're lively and fun, too. The geometry activities in Polygon Explorations are designed around a set of 30 Poly Shapes, and all of the activities require active engagement and math talk. From introductory activities to review games, these lessons will keep your class focused and highly involved. $

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Make your classroom a Common Core winter wonderland with these super fun math games! All games were designed specifically for the third grade Common Core Standards. $

Such a cute center! This blog has a lot of great ideas for math centers.

Have a fun Friday with these fourth grade Common Core math games!!

## AWESOME - lots of center ideas-differentiated and aligned to common core!!!!!!!!!