This sample question measures eighth-graders' understanding of algebra.
The percentages below indicate how each jurisdiction performed on the question.
See more about this question in the NAEP Questions Tool.
View this question, at score 301, on a map of NAEP mathematics items.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Trial Urban District Mathematics Assessment.