Helping Children Learn Mathematics, Sixth Edition, is written for elementary school teachers to help children learn mathematics meaningfully. This revision reflects major changes in the elementary school mathematics curriculum, assessment, and professional development of teacher education consistent with the National Council of Teachers of Mathematics, Standards 2000. The first part of the text provides a base for understanding the changing mathematics curriculum and how children learn in it. It offers guidelines for planning instruction with an emphasis on problem solving and assessment. The second part of the text discusses teaching strategies, techniques and learning activities related to specific mathematical topics. Emphasis is on using models and materials to understand concepts and skills.