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Number of long-term trend mathematics items, by age: 2004
Age Total
9 140
13 166
17 162
NOTE: The numbers in this table represent the post-scaling counts of items. There are no subscales for long-term trend assessments.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2004 Mathematics Long-Term Trend Assessment.

Last updated 12 July 2010 (JL)