| Acknowledgments | xi |
1 | Understanding Teaching: Why Is It So Hard? | 1 |
| The Problems in Teaching | 1 |
| Teaching with Problems | 3 |
| Why Teach with Problems? | 4 |
| What I Teach with Problems | 5 |
| A Case of Teaching | 6 |
2 | An Instance of Teaching Practice | 9 |
| The Big Picture | 9 |
| Zooming In to a Lesson on Rate | 10 |
| Zooming Further In: Teaching Richard, Catherine, and Awad | 14 |
| Changing Focus: Teaching Anthony and Tyrone | 19 |
| Changing Focus Again: Teaching Ellie, Sam, and Yasu | 23 |
| From Narrative to Analysis | 27 |
3 | Why I Wrote This Book--and How | 29 |
| Isolation Versus Communication | 29 |
| Teaching as Working in Relationships: A Basic Model of Practice | 30 |
| Elaborating the Model: Teaching Across the Year, Across Students, and Across the Curriculum | 35 |
| An Unusual Research Program | 38 |
| Figuring out How to Display the Work of Teaching | 41 |
| Where Do Teaching Problems Arise? | 45 |
4 | Teaching to Establish a Classroom Culture | 51 |
| Arranging the Physical Environment to Support a Classroom Culture | 54 |
| Choosing Mathematical Content to Complement Culture-Building Practices | 56 |
| Zooming in on the First Mathematics Lesson of the Year | 59 |
| Zooming out to the First Week of School: Introducing Conditions, Conjectures, and Revision | 65 |
| Establishing Structures for Students' Independent and Collaborative Activities | 79 |
| Establishing Norms for Written Communication | 84 |
| What Kind of Work Is This? | 92 |
| Problems in Teaching in the Domain of Establishing Classroom Culture | 97 |
5 | Teaching While Preparing for a Lesson | 101 |
| Where to Begin, Mathematically? | 101 |
| Learning About My Students and Their Capacity to Study This Mathematics | 108 |
| Problems in Teaching in the Domain of Preparing a Lesson | 117 |
6 | Teaching While Students Work Independently | 121 |
| Teaching Problems in One-on-One Interactions with Students | 122 |
| Teaching Students to Study Collaboratively | 127 |
| Observing and Making Sense of the Range of Student Performance | 131 |
| Teaching Problems in the Domain of Supporting Students' Independent Work | 139 |
| Teaching Problems in Other Domains Caused by Students' Independent Work on Mathematics Problems | 141 |
7 | Teaching While Leading a Whole-Class Discussion | 143 |
| Teaching in the Moment so the Whole Class Can Study | 144 |
| Zooming out from Particular Exchanges to the Class as a Whole: Linking Students with Content Across Events | 159 |
| Using Students to Take the Class into New Mathematical Territory | 164 |
| Problems in Teaching in the Domain of Leading a Whole-Class Discussion | 174 |
| Problems in a Lesson Lead to Larger-Scale Problems | 176 |
8 | Teaching to Deliberately Connect Content Across Lessons | 179 |
| Anticipating the Connections That Can Be Made in a Problem Context | 180 |
| Teaching This Mathematics to This Class | 188 |
| Problems in Teaching in the Domain of Deliberately Connecting Content Across Lessons | 210 |
9 | Teaching to Cover the Curriculum | 213 |
| Teaching to Cover Topics with Problems | 213 |
| Viewing the Teaching of Topics Through Wide-Angle Lenses | 217 |
| Teaching Topics as Connected Elements of the "Big Ideas" in a Discipline | 220 |
| Cases of Teaching "Conceptual Fields" | 223 |
| Teaching Again in the "Same" Conceptual Field | 240 |
| Common Contexts and the Work of Coverage Across Lessons | 255 |
| Problems in Teaching in the Domain of Covering the Curriculum: "Invisible Work" | 259 |
| New Problems Raised by Reformulating Coverage in Terms of Conceptual Fields | 262 |
10 | Teaching Students to Be People Who Study in School | 265 |
| Teaching Intellectual Courage, Intellectual Honesty, and Wise Restraint | 266 |
| Working up to Mathematical Risk Taking: Teaching Richard from September to December | 268 |
| Integrating Academic Character into Preadolescent Social Life: Teaching Saundra to Think and to Reason | 287 |
| Problems of Practice in Teaching Students to Be People Who Study in School | 325 |
11 | Teaching the Nature of Accomplishment | 329 |
| Accomplishment in the Classroom | 329 |
| A Quiz on Fractions as a Resource for Teaching About Accomplishment | 332 |
| Problems in Teaching the Nature of Progress | 357 |
| Remaining Problems for Teaching | 358 |
12 | Teaching the Whole Class | 361 |
| Elements of Teaching in Understanding Variations in Achievement | 363 |
| Looking with a Wider Lens at Teaching to Differences | 367 |
| Figuring out What to Teach in March and Whom to Teach It To | 371 |
| Acts of Teaching for Working with Diverse Skills and Understanding at the Whole-Class Level | 387 |
13 | Teaching Closure | 389 |
| Providing an Opportunity for Students to Demonstrate Acquired Knowledge and Skill in a Conceptual Field | 391 |