This is the second in a two-part series. Part one can be found here. The debate over what early math should look like and what should be included in the Common Core State Standards for math is one of ...

Ms. Knarr will guide students in looking and making numerical patterns. In this lesson, Ms. Knarr will guide students in looking and making numerical patterns. / Julia Knarr, The Soulard School / ...

Remember the graph paper you used at school, the kind that’s covered with tiny squares? It’s the perfect illustration of what mathematicians call a “periodic tiling of space”, with shapes covering an ...