The Corwin Mathematics Ser.: Common Core Mathematics Companion: the Standards Decoded, Grades K-2 is a comprehensive resource for educators and parents looking to understand and teach the Common Core Mathematics standards for grades K-2. Published by Corwin Press in 2015, this spiral-bound book features 256 pages of detailed explanations, tips, and activities to help students master essential math skills. Written by Ruth Harbin Miles and Linda M. Gojak, this companion is an invaluable tool for anyone seeking to enhance their understanding and teaching of mathematics in the early elementary classroom.