CCSS for Mathematical Content offer focus and coherence leading to deeper understanding of mathematics for K-12 students. The standards are grouped according to grade level, domain, and clusters, with an appreciation of the relationships found within and among each. While some domains, such as Counting and Cardinality appear only at one grade level (kindergarten), other domains appear in several grade levels. Geometry is the only domain that appears consistently in every grade level from Kindergarten through Grade 8.
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