Focusing on differentiation, three teachers push all their kindergartners toward recognizing relationships among combinations.

Contributor Notes

Laura Bofferding,, is an assistant professor of math education at Purdue University in West Lafayette, Indiana. She investigates young children's development of number sense and is interested in the identification and discussion of children's diverse solution strategies in lessons.

Melissa Kemmerle,, is a graduate student in math education at Stanford University in Stanford, California. Her research interests include number talks and student question asking in mathematics classrooms.

Aki Murata,, is an assistant professor of mathematics education at Stanford. She is interested in lesson study as a context for examining interactions among teachers, students, and instructional tools in elementary school mathematics classrooms.

(Corresponding author is Bofferding
(Corresponding author is Kemmerle
(Corresponding author is Murata
Teaching Children Mathematics
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