Hannah Cairo has solved the so-called Mizohata-Takeuchi conjecture, a problem in harmonic analysis closely linked to other central results in the field. This fall, she will begin her doctoral studies ...

Massachusetts educators are invited to participate in free Data Paths PD opportunities this summer at Education Development Center (EDC) in Waltham, MA. Participants will receive PDPs and a stipend for full participation.  There are opportunities for teachers, coaches, and leaders in grades 3-5 and 6-8. Every option is high quality -- and a few even focus on slow reveal graphs! (All workshops include complimentary breakfast and lunch.

We were talking online1 recently about parallel lines that are intersected by a transversal, and that there are multiple ways a student could justify that two particular angles were congruent. Sinc…

Put a bow on it instructional nudge. “In case you missed it, here’s the recap.”

Before 2023, the question, “Is there a single tile that only tiles the plane non-periodically?” had no known answer. We now know the answer is “Yes!” and you can hold an example in your hands. These t...

Reversal instructional nudge. Problems don’t always have to be straight forward.

Pick what you want to work on, whenever it’s convenient for you. More instructional nudges coming soon

Resources and support for teaching IM Algebra 1, including slides and a podcast overview.

How do we support students who are struggling to access grade level content? In my own school, I focus my efforts on co-teaching and coaching, but I also see students for intervention, both individ…

YouTube video by Susan Carriker

Period: Name: Graphing 2-Variable Inequalities 3x + 4y < 24 3(0) + 4y = 24 y = 6 3x + 4(0) = 24 x = 8 Test point: (0, 0) 3(0) + 4(0) < 24 0 < 24 True 2x – 6y < 18 2x – 6y < 18 -2x -2x -6y < -2x + 18 -...