Is It or Not? Excursions in Mathematical Definitions
Have a ton of fun (seriously!) arguing about vehicles with this new book project. Free download!
DIY Pattern Machines
One of the favorite activities at Math On-A-Stick is the table full of Pattern Machines. We used to sell them here at the Talking Math with Your Kids Store. As you’re about to learn, however, making them is a bit time consuming. We are working on getting a...
Vehicle Chat [Invitation]
It all started with a disagreement between Kassia Wedekind and her daughter Lulu. https://twitter.com/kassiaowedekind/status/1155951804590391296 Pretty soon, it wasn't just elevators we were arguing about, and it wasn't just Kassia and Lulu weighing in....