Siegler R., Carpenter T. et al. Developing Effective Fractions Instruction for Kindergarten Through 8th Grade. A Practice Guide

Washington, DC: National Center for Education Evaluation and Regional Assistance, Institute of Education Sciences, U.S. Department of Education, 2010. — 90 p.Siegler R., Carpenter T., Fennell F., Geary D., Lewis J., Okamoto Y., Thompson L., Wray J.This practice guide presents five recommendations intended to help educators improve students’ understanding of fractions. Recommendations include strategies to develop young children’s understanding of early fraction concepts and ideas for helping older children understand the meaning of fractions and the computations involved. The guide also highlights ways to build on students’ existing strategies to solve problems involving ratios, rates, and proportions.