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The Common Core State Standards for Mathematics (CCSS-Math), which are posted online at the URL:http://www.corestandards.org/Math/, list for each grade level- from K-12- the most important mathematical concepts and ``what students should understand and be able to do" with them. Unfortunately, there is little or no guidance for implementing them. The purpose of this webpage is to post lesson plans for implementing the CCSS for each important mathematical concept listed on the CCSS-Math webpage.