TTP Network

29/03/2026

29/03/2026

25/03/2026

Through an intensive three-hour mock-up lesson to finalize the research lesson proposal for the research lesson tomorrow. Congratulations to fifth grade team

13/03/2026

WALS (World Association of Lesson Studies) Online International Conference
November 2 (Monday) to November 4 (Wednesday), 2026

This year, WALS, the World Association of Lesson Studies, warmly invites you to share your ideas around lesson study with a global audience—all from the comfort of your home. With the conference online this year, please note there are a few differences in registration and proposal submission.

We encourage you to visit the following site and submit your proposal by April 15. We look forward to your participation!

We warmly invite you to submit your contributions to the 2026 Conference of the World Association of Lesson Studies (WALS), to be held online November 2-4, 2026. Submission deadline is April 15, 2026.

28/02/2026

NELS (New and Experienced Lesson Study) Network, of the American Educational Research Association will host a webinar Monday March 2 at 3 PM Pacific time. We will use our recently published book as a springboard to discuss: How do we sustain and spread Lesson Study? The book is Teaching Powerful Problem-solving in Mathematics: A Collaborative Approach Through Lesson Study (Teachers College Press, 2025) by Catherine Lewis, Akihiko Takahashi, Shelley Friedkin, Nora Houseman, and Sara Liebert. Authors will share key points, so reading the book in advance is not essential. If interested, please sign up at the link below.

NELS (New and Experienced Lesson Study) Network will host a webinar Monday March 2 at 3 PM Pacific time. We will use a recently published book as a springboard to discuss: How do we sustain and spread Lesson Study? The book is Teaching Powerful Problem-solving in Mathematics: A Collaborative Approac...

26/02/2026

The World Association of Lesson Studies will host the following webinar.

Teaching Powerful Problem-solving in Math: A Collaborative Approach Through Lesson Study
Date: 2 March 2026

Time:
1700 – 1800 GMT
0900 – 1000 San Francisco, CA, USA
1100 – 1200 Chicago, IL, USA
1700 – 1800 London, United Kingdom
1800 – 1900 Amsterdam, Netherlands | Stockholm, Sweden | Zürich, Switzerland
0100 – 0200 Singapore
0200 – 0300 Tokyo, Japan

Talk with Catherine Lewis and Akihiko Takahashi about their recently published book Teaching Powerful Problem-solving in Math: A Collaborative Approach Through Lesson Study (Teacher’s College Press, 2025), co-authored with Shelley Friedkin, Sara Liebert, and Nora Houseman. We will present a few slides and then open up to discussion of several key themes of the book.

Please visit the following site for more details and the registration link.

Date: 2 March 2026 Time:1700 – 1800 GMT0900 – 1000 San Francisco, CA, USA1100 – 1200 Chicago, IL, USA1700 – 1800 London, United Kingdom1800 – 1900 Amsterdam, Netherla…

21/02/2026

A new set of resources for using a TTP unit with five lessons, designed for upper elementary grades (Section 2.1.1), is now available for you to download in the TTP Network website member section.

19/02/2026

Thank you for your interest in the IMPULS–Lesson Study Alliance 2026 Lesson Study Immersion Program! We’re excited to see so much enthusiasm for this unique learning opportunity. If you’re planning to submit an application, I encourage you to do so soon—spaces are filling up faster than we anticipated. We may need to close the application period earlier than expected, so don’t miss your chance to join us!

IMPULS (International Math-teacher Professionalization Using Lesson Study) in Japan and Lesson Study Alliance, a non-profit corporation in Chicago, USA, are offering intensive Lesson Study Immersion Program in Japan in June 2026. The program will run from June 16 (Tuesday) to June 25 (Thursday), 202...