1. Young Children and Mathematics Learning
2. Quantity, Number, and Subitizing
3. Verbal and Object Counting
4. Comparing, Ordering, and Estimating
5. Arithmetic: Early Addition and Subtraction and Counting Strategies
6. Arithmetic: Composition of Number, Place Value, and Multidigit Addition
and Subtraction, and Multiplication and Division, and Fractions
7. Spatial Thinking
8. Shape
9. Composition and Decomposition of Shapes
10. Geometric Measurement: Length
11. Geometric Measurement: Area, Volume, and Angle
12. Other Content Domains: Patterns, Structure, and Algebraic Thinking; Classification and Data
13. Mathematical Processes and Practices
14. Cognition, Affect, and Equity
15. Early Childhood Mathematics Education: Contexts and Curricula
16. Instructional Practices and Pedagogical Issues