This book provides support and guidance to teachers in their professional development. A constructivist approach was used while exploring the implementation of standards into the mathematics and science curriculum. Contents include: (1) "Engagement: Thinking about Standards and Instruction"; (2) "Exploration: Discovering National Standards Resources"; (3) "Explanation I: Researching National Standards to Clarify Learning Goals"; (4) "Explanation II: Assessment in a Standards-Based System"; (5) "Extension I: Developing Standards-Based Curriculum Materials"; (6) "Extension II: Analyzing and Evaluating Curriculum Materials"; (7) "Extension III: Curriculum Mapping"; (8) "Evaluation: Discoveries about Standards-Based Teaching and Learning"; and (9) "Endurance: Sustaining Change". (YDS).