Most K-8 mathematics instructional materials reviewed are not properly aligned to the Common Core

EdReports.org is an independent nonprofit designed to improve K-12 education. Drawing upon expert educators, EdReports.org's evidence-based reviews of instructional materials.

EdReports.org has reviewed 20 K-5 and 6-8 mathematics instructional series. The findings revealed that most of the K-8 mathematics instructional materials reviewed do not meet their criteria for alignment to the standards of the Common Core.

Reviews are available here.