Below is a complete list of all the interactive elementary-themed activities we've offered on our

Sine of the Times blog. Most of these activities grew out of the work that we did during our NSF-funded Dynamic Number project. The list includes links to our original blog posts as well as links that take you directly …

Continue Reading ›› *Mirek Majewski was born in Poland and studied mathematics at the Nicholas Copernicus University in Poland with an M.S. and Ph.D. in non-classical geometries. He is a professor of mathematics and computer science at several universities – PNG University of Technology, Inter-University of Macau (now Saint Joseph University), Zayed University in United Arab Emirates, and New York … Continue Reading ››* * I’m excited to be making my first presentation of the 2013-14 school year next week in Baltimore. Daniel Scher and I are presenting Picturing Functions and Functions of Pictures. We'll be discussing the connections between pictures and functions. These connections are even richer than I realized when I first began to work with pictures in Sketchpad. In the … Continue Reading ››** As you may know, we created a new logo for Key using a circle and rotational animation to create a visual representation of pi. Karen Coe describes this in her post **Branding Isn't About Math. Are You Sure About That? *(You can also … Continue Reading ››* In a recent blog post, Karen Coe referred to Conrad Wolfram’s opinion that **programming is to mathematics what composition is to English.* I’ve taught programming and written a lot of Sketchpad code, and I appreciate Wolfram’s analogy. In English class, students read books, poems, short stories, essays, and articles—but to gain a deep appreciation for … Continue Reading ››*The Web Sketchpad and Math Education Blog*