Leaps and Bounds Toward Mathematics Understanding is founded on how students learn math developmentally. These unique resources were carefully developed to help teachers support students who are struggling in mathematics. - Research-based intervention approach covering all math strands. - Easy-to-use student and teacher resources support students who are working below grade level. - Diagnostic assessments for every topic pinpoint significant gaps in student understanding. - Next steps are clearly outlined based on the results of the diagnostic test. - A variety of activities for differentiating instruction address the needs of every struggling student. 1/2 Primary TR Mathematics intervention-as easy as 1, 2, 3! Leaps and Bounds Toward Math Understanding is a research-based mathematics intervention resource designed to be flexible and easy-to-use.