
2023 Chicago Lesson Study (mini-) Conference
At long last, we are back! Lesson Study Alliance, in collaboration with three of our partner schools, will host a one-day mini-conference on Wednesday, April 12, the day before AERA. Space permitting, you may attend the research lesson of your choice, each one...

2023 Lesson Study Immersion Program in Japan
Experience lesson study in Japan! Two programs: June 6-15 and June 20-29. Apply by January 31.
Making sure the problem context supports student learning
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...
Great article on division with remainders
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: Recently our team of...
Fractions as numbers vs. fractions as ratios
A grade 4 team was recently considering the following task for a lesson in which they hoped to have students make a connection between fractions and decimals: What would you say about this? I wrote them two emails about it. First email: What would be the purpose of...