IES compares effectiveness of 4 early elementary math curricula

Four math curricula, (1) Investigations in Number, Data, and Space, (2) Math Expressions, (3) Saxon Math, and (4) Scott Foresman-Addison Wesley Mathematics (SFAW), were compared for effectiveness in the 1st and 2nd grades of 110 schools in 12 participating districts in 10 states. A brief overview of the findings and links to the full reports are located here: http://ies.ed.gov/ncee/pubs/20114001/