http://blogs.edweek.org/edweek/curriculum/2012/07/lead_writers_of_math_common_co.html
Some have suggested that we've done this in the wrong order. We should have had standards first, then curricula, then assessments. For many the last two items got switched, and now the authors of the Common Core State Standards are pushing publishers to follow a set of guidelines for authoring new curricula. Unfortunately, many publishers have already just taken their old texts, swapped a chapter or two, and labeled them CCSS-ready.
Some have suggested that we've done this in the wrong order. We should have had standards first, then curricula, then assessments. For many the last two items got switched, and now the authors of the Common Core State Standards are pushing publishers to follow a set of guidelines for authoring new curricula. Unfortunately, many publishers have already just taken their old texts, swapped a chapter or two, and labeled them CCSS-ready.