We introduce the four problem situation types and discuss the ones that are learned in Kindergarten.

We discuss how student understanding of the operations is extended in the compare situation.

This video follows an elementary-school team in Tokyo through each phase in a science Lesson Study cycle.

Writing Historical Arguments, Part 4 of 8. Focuses on techniques for close reading and annotating sources.

Covers the relationship between decimals and fractions, what to emphasize in teaching, and selecting models.

Two options for learning how to teach fractions using Lesson Study.

Writing Historical Arguments, Part 7 of 8. Focuses on supporting students to produce well-written argumentative essays.

Explores building student comfort in composing, decomposing, and making groups of ten.

Writing Historical Arguments, Part 5 of 8. Focuses on key issues concerned corroboration and conflict between sources.

Excerpts from a Lesson Study cycle at a 10-day summer workshop on Lesson Study and algebra.

This resource explores important aspects of teaching measurement, with a particular focus on common student struggles.

We discuss how student understanding of the operations is extended in the compare situation.

A tool from Marilyn Burns that assesses student understanding of place value in mathematics.

Writing Historical Arguments, Part 8 of 8. Focuses on tools to help teachers and students evaluate student essays.

Writing Historical Arguments, Part 6 of 8. Covers using historical writing as a springboard and model for writing and...

Writing Historical Arguments, Part 2 of 8. Covers the key elements of inquiry questions in history and social studies.

Writing Historical Arguments, Part 3 of 8. Covers instruction in using historical sources and common student pitfalls.

Part 1 of 8. Frames the importance of teaching students argument in history and social studies classes.