YOUR TAX-DEDUCTIBLE CONTRIBUTION PURCHASES THIS ITEM FOR OCS - THANK YOU! Incorporate Common Core State Standards into your lesson planswith our reproducible activity books! Each softcover book features 22-27 mini lessons aligned to Common Core State Standards, plus reproducible activities that provide plenty of practiceat 3 different levels. Each book even includes quick & easy assessments to track students skills, plus critical-thinking questions, an answer key & more!