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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 Subscales as Defined Before and After Scaling, Mathematics Combined National and State Assessment, by Subscale and Grade: 2015
NAEP Technical DocumentationNumber of Items in Subscales as Defined Before and After Scaling, Mathematics Combined National and State Assessment, by Subscale and Grade: 2015
| Grade | Total |
Number properties and operations | Measurement | Geometry | Data analysis,
statistics, and probability | Algebra |
|---|---|---|---|---|---|---|
| 4 | 150 | 61 | 27 | 22 | 19 | 21 |
| 8 | 150 | 31 | 26 | 25 | 23 | 45 |
| 12 | 191 | 22 | 59 | 48 | 62 | |
| NOTE: Since 2005, measurement and geometry scales are combined at grade 12. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Mathematics Assessment. | ||||||
| Grade | Total | Number properties and operations | Measurement | Geometry | Data analysis,
statistics, and probability | Algebra |
|---|---|---|---|---|---|---|
| 4 | 150 | 61 | 27 | 22 | 19 | 21 |
| 8 | 150 | 31 | 26 | 25 | 23 | 45 |
| 12 | 191 | 22 | 59 | 48 | 62 | |
| NOTE: Since 2005, measurement and geometry scales are combined at grade 12. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2015 Mathematics Assessment. | ||||||
Last updated 16 November 2021 (ML)
