"SRA Connecting Math Concepts: Comprehensive Edition has proven field results for Tier 1 and Tier 3 at-risk students. The program provides explicit, systematic, intensive instruction to: Introduce key concepts clearly and carefully to accelerate student progress -- Teach students to connect skills and "big idea" concepts -- Monitor each student's progress daily to differentiate instruction -- Offer online activities to reinforce students' mastery -- Use explicit strategies that incorporate oral and written responses."--Publisher.