Large numbers of students are not proficient in mathematics and there are disparities in mathematics achievement between students from different ethnic and socioeconomic groups. Mathematics skills are important for both academic and workplace success and there are a large number of interventions that aim to improve student mathematics achievement.…

This protocol guided the review of research that informed the recommendations contained in the What Works Clearinghouse (WWC) practice guide "Improving Mathematical Problem Solving in Grades 4 through 8," published in May 2012. The research review involved the following steps: (1) The research staff searched the professional literature…

This What Works Clearinghouse (WWC) review focuses on mathematics interventions for high school students in grades 9-12 designed to impact student achievement, including curriculum-based interventions, instructional techniques, and products designed to deliver content and monitor student progress. Systematic reviews of evidence in this topic area…

This report summarizes evidence from studies that estimate the effects of interventions for improving the mathematics proficiency of middle school students and that meet What Works Clearinghouse (WWC) evidence standards, usually with some reservations.