by Tom | Jan 4, 2024 | Uncategorized

In The Teaching Gap, which first brought Lesson Study to the attention of many educators outside Japan, Stigler and Hiebert include revising and reteaching the research lesson as steps 5 and 6 of Lesson Study. When Takahashi and I proposed Collaborative Lesson...
by Tom | Oct 28, 2023 | math topics

I have seen many lessons in which the distinction between how to model or represent a story problem and how to solve the story problem get confused. This happens especially with story problems in which either the starting value or the change is unknown, a type of...
by Tom | Oct 26, 2023 | lesson design, TTP

The core of a Teaching Through Problem-solving (TTP) lesson involves presenting students with a problem that requires that they learn some new mathematics. For students to focus their energy productively, it helps them to know what that new mathematics is – at least...
by Tom | Oct 10, 2022 | classroom practice, lesson design

I had a delightful opportunity to join a planning meeting with a group of teachers from one of the schools we work with in Chicago. The team was working on a lesson for their 8-year old students about interpreting remainders in problem contexts. Here is how the...
by Tom | May 10, 2021 | math topics

One of Chicago’s Lesson Study Leaders, Joshua Lerner, wrote a terrific article in NCTM’s journal Mathematics Teacher: Learning and Teaching in PK-12. It is titled, “Recommendations for Teaching Division with Remainders.” From the introduction:...