Setting the Standard for Tomorrow's Teachers: This best-selling text continues as a comprehensive, skills-based resource for future teachers. In this edition, readers will benefit from additional emphasis on active and collaborative learning. Revised and updated content will better prepare readers for the day when they will be teachers with students of their own. An Introduction to Problem Solving. Sets, Whole Numbers, and Functions. Numeration Systems and Whole-Number Computation. Integers and Number Theory. Rational Numbers as Fractions. Decimals, Percents, and Real Numbers. Probability. Data Analysis/ Statistics: An Introduction. Introductory Geometry. Constructions, Congruence, and Similarity. Concepts of Measurement. Motion Geometry and Tessellations. For all readers interested in mathematics for elementary school teachers.