Table of Contents
Preface vii
Organization of the Book vii
Organization of the Content Chapters ix
Acknowledgments xi
1 Why and How to Differentiate Math Instruction 1
The Challenge in Math Classrooms 1
The Particular Challenge in Grades 6-12 2
What It Means to Meet Student Needs 2
Assessing Students' Needs 2
Principles and Approaches to Differentiating Instruction 3
Two Core Strategies for Differentiating Mathematics Instruction: Open Questions and Parallel Tasks 7
Creating a Math Talk Community 16
2 Algebra 17
Topics 17
The Big Ideas for Algebra 18
Open Questions for Grades 6-8 19
Open Questions for Grades 9-12 29
Parallel Tasks for Grades 6-8 46
Parallel Tasks for Grades 9-12 52
Summing Up 61
3 Number and Operations 63
Topics 63
The Big Ideas for Number and Operations 64
Open Questions for Grades 6-8 64
Open Questions for Grades 9-12 73
Parallel Tasks for Grades 6-8 78
Parallel Tasks for Grades 9-12 84
Summing Up 88
4 Geometry 89
Topics 89
The Big Ideas for Geometry 90
Open Questions for Grades 6-8 91
Open Questions for Grades 9-12 100
Parallel Tasks for Grades 6-8 109
Parallel Tasks for Grades 9-12 115
Summing Up 122
5 Measurement 123
Topics 123
The Big Ideas for Measurement 124
Open Questions for Grades 6-8 124
Open Questions for Grades 9-12 132
Parallel Tasks for Grades 6-8 141
Parallel Tasks for Grades 9-12 145
Summing Up 151
6 Data Analysis and Probability 153
Topics 153
The Big Ideas for Data Analysis and Probability 154
Open Questions for Grades 6-8 155
Open Questions for Grades 9-12 163
Parallel Tasks for Grades 6-8 172
Parallel Tasks for Grades 9-12 178
Summing Up 186
Conclusions 187
The Need for Manageable Strategies 187
Developing Open Questions and Parallel Tasks 188
The Benefits of These Strategies 189
Appendix: Worksheet for Open Questions and Parallel Tasks 191
Glossary 193
Bibliography 206
Index 208
Index of Subjects and Cited Authors 208
Index of Big Ideas 210
About the Authors 212