Average scale scores and percentages for grade 4 mathematics, by emphasis on algebra and functions, National School Lunch Program eligibility, 3 categories and jurisdiction: 2011, 2009, and 2007
Year	Jurisdiction	National School Lunch Program eligibility, 3 categories	Little or no emphasis		Moderate emphasis		Heavy emphasis
Year	Jurisdiction	National School Lunch Program eligibility, 3 categories	Average scale score	Percentage	Average scale score	Percentage	Average scale score	Percentage
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), 2007, 2009, and 2011 Mathematics Assessments.
2011	National	Eligible	225	4	230	47	230	48
2011	National	Not eligible	247	5	252	53	253	43
2011	National	Information not available	244	11	250	58	248	31
2009	National	Eligible	224	7	228	47	227	46
2009	National	Not eligible	247	7	251	53	250	40
2009	National	Information not available	241	16	249	53	245	31
2007	National	Eligible	223	6	227	48	228	45
2007	National	Not eligible	245	7	249	53	250	40
2007	National	Information not available	244	13	247	60	245	27