Contains exercises based on national standards to ensure that students master skills before progressing. Entertaining and interactive activities with eye-catching graphics make learning and reviewing fun and effective. It is a great tool for keeping children current during the school year or preparing them during the summer for the grade ahead, and supports NCTE standards.Contains exercises based on national standards to ensure that students master skills before progressing. Entertaining and interactive activities with eye-catching graphics make learning and reviewing fun and effective. It is a great tool for keeping children current during the school year or preparing them during the summer for the grade ahead, and supports NCTE standards.