This easy-to-read summary is an excellent tool for introducing others to the messages contained in Principles and Standards.

Learn about operations with whole numbers in this volume of Building Blocks of Math 2.

The images in this book are in color. For a less-expensive grayscale paperback version, see ISBN 9781680923254. Prealgebra 2e is designed to meet scope and sequ

Results from national and international assessments indicate that school children in the United States are not learning mathematics well enough. Many students c