90-Day Cycle: Exploration of Math Intensives as a Strategy to Move More Community College Students Out of Developmental Math Courses | Carnegie Foundation for the Advancement of Teaching Posted on November 1, 2010 by developmentaleducation Summer bridge programs or “boot camps” to help move out of developmental math 90-Day Cycle: Exploration of Math Intensives as a Strategy to Move More Community College Students Out of Developmental Math Courses | Carnegie Foundation for the Advancement of Teaching.