#### Young Mathematicians at Work: Constructing Number Sense, Addition, and Subtraction by Catherine Twomey Fosnot

###### Catherine Twomey Fosnot with Young Mathematicians at Work: Constructing Number Sense, Addition, and Subtraction

- Young Mathematicians at Work: Constructing Multiplication and Division
- Young Mathematicians at Work: Constructing Fractions, Decimals, and Percents
- Young Mathematicians at Work: Constructing Algebra
- Children's Mathematics, Second Edition: Cognitively Guided Instruction
- The Young Child and Mathematics
- Learning and Teaching Early Math: The Learning Trajectories Approach (Studies in Mathematical Thinking and Learning Series)
- Conferring with Young Mathematicians at Work
- Multicultural Teaching in the Early Childhood Classroom: Approaches, Strategies and Tools, Preschool-2nd Grade (Early Childhood Education)
- Mathematics and Teaching (Reflective Teaching and the Social Conditions of Schooling Series)
- About the Authors: Writing Workshop with Our Youngest Writers