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Each workshop was deemed to be successful . " " The Carter Center has been successful when other efforts have failed largely because we recognize that many problems are interrelated , " said Marion Creekmore , director of programs . The assessments were designed considering youngsters ' informal knowledge of mathematics ( described in her book , Street Mathematics , School Mathematics , CUP ) and the need to transform this everyday knowledge into scientific , formal knowledge for the successful learning of mathematics in school . The fact that motivation for successful prosecution of a child support case is greater when states work their own cases cannot be overstated . A successful buyback program would help to preserve the efficient auction program for new Treasury securities and would help to keep the government 's financing costs as low as possible .