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| Preface | p. vii |
| Acknowledgments | p. ix |
| About the Authors | p. xi |
| Concept Development in Mathematics and Science | |
| How Concepts Develop | p. 2 |
| How Concepts Are Acquired | p. 22 |
| Promoting Young Children's Concept Development through Problem Solving | p. 32 |
| Assessing the Child's Developmental Level | p. 49 |
| The Basics of Science | p. 62 |