Citation reference BD = benchmark, declarative BP = benchmark, procedural BC = benchmark, contextual K = Knowledge S = Skill P = Performance
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  McGrawHill: PreKindergarten 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 
2nd letter code : E = Explicitly stated in document I = Implicit in document
Number: Page number of the cited document 