A short 27 months ago, two groups of U.S. states were each awarded more than $175 million to design, develop, and pilot test a new generation of assessments (U.S. Department of Education, 2010). These new tests will replace assessments in English language arts and mathematics that are currently in use within state and federal accountability…

Through her work as a consultant, Burns has found that a handful of students in all classes lack an adequate foundation in basic math concepts and lag far behind their peers in both understanding and skills. Students who lack a foundation on which to build new learning are generally not well served even by well-planned, differentiated instruction;…