Second Ounts News Today

Math. >> reporter: in a low-income district where nearly 75% of kids receive free or reduced lunch, math was a struggle. >> we only had 60 minutes for mathematics. >> reporter: its now 90 minutes, starting with a 30-minute lesson, followed by a 60-minute block where every second ounts. >> three-minute warning, my friends. >> reporter: the class is made up of tightly timed segments where students and the teacher rotate through small groups. >> understand the problem. >> reporter: every classroom ...