A variety of the latest math materials claiming alignment with Common Core State Standards were on display at the recent NCTM conference in Denver. In this blog post, reporter Erik Robelen notes that educators perusing the materials expressed caution and some skepticism about whether all the claims accurately reflect true common core alignment. "The bottom line? Buyer beware! Take a long, careful look before you decide if instructional materials live up to their claims," Robelen writes.
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