Moduloku

Math is wonderful, and there are so many different ways to play and experience it. I enjoy having conversations with other math lovers and sharing ideas, puzzles, pedagogy, and questions. In one of these conversations with Dr. Maria at Natural Math, I learned about a book called Modultown by Drs. Sasha Fradkin and Allison Bishop, and the artist, Mark Gonyea. The project also has an adjacent puzzle book with a delightful puzzle called Moduloku. I made a prototype of a simplified digital version while at the Recurse Center on my website Inquiries.Link. I look forward to working on some of these in my math sessions with learners and playing with some of the variations in the book. Spoiler: Here are my thoughts as I solve one:The first thing is to look for blanks I can check right away against the remainders. I see that the third column has one blank and the sum has a remainder of one when divided by 10. Of the numbers available, only 7 gives a remainder of 1. I can then use the same…