Build critical thinking skills and reinforce essential math skills with the CenterSOLUTIONS(R) for the Common Core Thinking Mats for first grade. Each set includes 15 write-on/wipe-away mats with coordinating game cards. The cards and the mats are color coded for easy organization and cleanup. The mats can be used individually or with partners and are open-ended to be used again and again. With activities that can easily be customized to specific learning needs, the Thinking Mats are perfect learning tools for centers, learning stations, and group or individualized instruction. The set includes a 16-page resource guide with recording sheets to allow students to explain their work in the context of the Common Core Standards for Mathematical Practice.