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How to Read the Tables and Charts
You need to know just a few things to understand this report and to see how your child’s scores compare with those of other NUMATS participants. Approximately 25,000 students in grades 3 through 9 participated in the 2012 NUMATS program. This statistical summary is based on scores from an even larger sample of NUMATS test-takers, including all those from 2010 and 2011 (over 50,000 students). Using such large numbers is a significantly reliable method of establishing percentiles for this year’s NUMATS test-takers.