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NAEP Analysis and Scaling → Estimation of NAEP Score Scales → NAEP Scales → Number of Items in Each Subject Area Scale → Number of Items in Scales as Defined Before and After Scaling, by Grade, Mathematics Combined National and State Main Assessment: 2003

NAEP Technical DocumentationNumber of items in scales as defined before scaling, by grade, mathematics combined national and state main assessment: 2003

Grade	Total	Number sense, properties, and operations scale	Measurement scale	Geometry and spatial sense scale	Data analysis, statistics, and probability scale	Algebra and functions scale
4	179	75	32	27	19	26
8	196	51	30	36	30	49
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2003 Mathematics Assessment.

Number of items in scales as defined after scaling, by grade, mathematics combined national and state main assessment: 2003

Grade	Total	Number sense, properties, and operations scale	Measurement scale	Geometry and spatial sense scale	Data analysis, statistics, and probability scale	Algebra and functions scale
4	179	75	32	27	19	26
8	195	51	30	36	29	49
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2003 Mathematics Assessment.

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