Average scale scores and percentages for grade 8 mathematics, by time per week on math instruction, gender and jurisdiction: 2011, 2009, 2007, and 2005
YearJurisdictionGenderLess than 3 hours3-4.9 hours5-6.9 hours7 hours or more
Average scale scorePercentageAverage scale scorePercentageAverage scale scorePercentageAverage scale scorePercentage
NOTE: The NAEP Mathematics scale ranges from 0 to 500. Detail may not sum to totals because of rounding. Some apparent differences between estimates may not be statistically significant. Analyze results with NAEP Data Explorer.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2005, 2007, 2009, and 2011 Mathematics Assessments.
2011NationalMale285228961280282739
2011 National Female284228761280282739
2009NationalMale284228862280282779
2009 National Female286228562278272759
2007NationalMale283228763278262748
2007 National Female281228463277262738
2005NationalMale277328466276242727
2005 National Female275328266274242717