The National Mathematics Advisory Panel specifies that children should be able to fluently add and subtract whole numbers by the end of third grade. Mathematical understanding of addition and subtraction emerges well before formal mathematic instruction begins, and when it emerges it reflects competence in a number of prerequisite skills and…

This report, submitted to the U.S. Department of Education, contains summary details of Delaware students' growth in the areas of reading, mathematics, writing, science and social studies. The results reported herein are part of a long-term effort to gather data on Delaware students' educational progress and use the data to inform decisions about…