PART ONE: MAKING MATH STARTERS A PART OF YOUR PROGRAM -- The Value of Math Starters -- Starting Class with a math Starter -- Purpose and Value of a Math-starter Notebook -- The Value of Written Explanations -- Cooperative Problem-solving Using Math Starters -- Organizing Teams for Problem-solving -- How to Set Up Teams for Cooperative Math Starters -- The Value of Sharing and Discussion -- Using Problem-solving Strategies -- Evaluation -- A Final Word -- PART TWO: MATH STARTERS -- Section 1. Whole Numbers: Theory and Operations -- Section 2. Fractions, Decimals, and Percents -- Section 3. Measurement -- Section 4. Geometry -- Section 5. Algebra -- Section 6. Potpourri -- Answer Keys.