Engage NY

The Illustrative Mathematics Project uses high quality, rigorously
reviewed tasks from teacher leaders across the nation to illustrate each
of the Common Core State standards for Mathematics. The Illustrative
Mathematics Project can be found at http://illustrativemathematics.org.
Progressions Documents are narratives that describe the progression of
a topic across grade levels, based on the structure of mathematics and
on research on cognitive development. These documents can be found at
http://ime.math.arizona.edu/progressions.

Dr. William McCallum, head of the mathematics department at the
University of Arizona and one of the lead authors of the Common Core
State Standards for Mathematics, maintains a blog about resources
related to CCSSM implementation You can find his blog at
http://commoncoretools.me.

You can find additional MARS tasks at the Noyce Foundation’s Inside
Mathematics site by following this link:
http://www.insidemathematics.org/index.php/tools-for-teachers.

The Mathematics Assessment Project (MAP), a collaboration between the
University of California at Berkeley and the Shell Centre at the
University of Nottingham with support from the Bill & Melinda Gates
Foundation, offers formative assessment lessons and summative tasks to
support implementation of the CCSSM.  You can learn more about these
resources at http://map.mathshell.org.

Student Achievement Partners, founded by three of the contributingauthors of the Common Core State Standards, has assembled resources to support implementation of the standards for mathematics and for ELA/literacy. You can find these resources at
http://www.achievethecore.org/steal-these-tools