| 1st letter/number of each code in parentheses: |
| * | McREL Report |
| 2 | Project 2061: Benchmarks for Science Literacy |
| AC | ACT, College Readiness Standards |
| AD | American Diploma Project |
| B1 | International Baccalaureate: Math, Primary |
| B2 | International Baccalaureate: Math, Middle |
| B3 | International Baccalaureate: Math, High |
| C | CBE: Standards for Excellence |
| C3 | CBE: Standards for Excellence, end of grade 3 |
| C5 | CBE: Standards for Excellence, end of grade 5 |
| CB | College Board: College Board Standards for College Success: Mathematics and Statistics |
| CO | CDE: Building Blocks to Colorado’s Content Standards |
| D | Department of Defense: Prekindergarten Mathematics |
| HS | Head Start: Child Outcomes Framework |
| M | NCTM: Principles & Standards for School Mathematics |
| MA | MDE (Massachusetts): Early Childhood Standards |
| N4 | NAEP: Released items for grade 4 (2003)
|
| N8 | NAEP: Released items for grade 8 (2003) |
| P | NAEP: Mathematics Assessment Framework |
| PS | McGraw-Hill: Pre-Kindergarten Standards: Guidelines for Teaching and Learning |
| S1 | New Standards: Elementary School |
| S2 | New Standards: Middle School |
| S3 | New Standards: High School |
| T | TEA: Texas Prekindergarten Curriculum Guidelines |
| T1 | TIMSS: Population 1 assessed grade 4 (released 1998) |
| T2 | TIMSS: Population 2 assessed grade 8 (released 1998) |
| T3 | TIMSS: Final Year assessed grade 12 (released 1998) |
| U | Understanding University Success: A Report from Standards for Success |
| UK | United Kingdom: Desirable Outcomes for Children’s Learning |
