## Adding It Up: Helping Children Learn Mathematics

### Abstract

This pre-publication report, which is fully accessible from the NRC website, focuses on mathematics education K-8. The chapters include: "Looking at Mathematics and Learning,""The State of School Mathematics in the United States," "Number: What is There to Know?" "The Strands of Mathematical Proficiency," "The Mathematical Knowledge Children Bring to School," "Developing Proficiency with Whole Numbers," "Developing Proficiency with Other Numbers," "Developing Mathematical Proficiency Beyond Number," "Teaching for Mathematical Proficiency," and "Developing Proficiency in Teaching Mathematics."