1st Edition
A Focus on Addition and Subtraction Bringing Mathematics Education Research to the Classroom
1. What is Additive Reasoning?
2. Introduction to the Additive Framework
3. The Development of Counting and Early Number Concepts
4. Unitizing, Number Composition, and Base Ten Understanding
5. Visual Models that Support Additive Reasoning
6. Addition
7. Subtraction
8. Additive Situations and Problem Solving
9. Properties and Relationships
10. Basic Fact Fluency
Biography
Caroline B. Ebby is a Senior Researcher at the Graduate School of Education, University of Pennsylvania.
Elizabeth T. Hulbert is Managing Partner and Professional Development Coordinator at the Ongoing Assessment Project.
Rachel M. Broadhead is Project Director for the Alabama Math, Science, and Technology Initiative, University of South Alabama.






