When it came time to help her first-graders through a tricky subtraction problem, Rosalie Carr reached for a new arsenal of colored chips, base-10 bars and mighty "number bonds," the New Haven Independent reports. The hands-on math problem-solving took place this week in Carr's first-grade classroom at the Fair Haven K-8 School on Grand Avenue. The new tools emerged as Carr and other elementary teachers try out a new method called Singapore math. In effort to get New Haven kids up to speed with their international counterparts, and in stride with a national Common Core State Standards initiative, the city...
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