This is the story of the fourth meeting of Sunday Natural Math Circle doing activities inspired by calculus. We started by reviewing some past “book art” style objects that transformed between 2D and 3D, like the spaceship… …And the spherical paper…

This is a story about the fifth and final meeting of the Fridays session of our spring math circle. At the previous meetings, children claimed you can’t divide by zero, and Maria promised to show them how next time. “Wave…