The most well-known fact about pi—normally rounded to 3.14159—is that it represents the ratio of the circumference of a circle to its diameter. Pi is also an irrational number, so it is incapable of being written as a simple fraction. Continue reading…

A Google employee from Japan has set a new world record for the number of digits of pi calculated. Emma Haruka Iwao, who works as a cloud developer advocate at Google, calculated pi to 31,415,926,535,897 digits, smashing the previous record of 22,459,157,718,361 digits set back in 2016. Continue reading…

This hands-on resource is for any teacher who wants to engage their sixth-grade students in reasoning and persisting through problems and provides activities that will engage students' interest and show them the many ways that mathematics is important in their lives. Continue reading…

The Mathematics of Opportunity: Rethinking the Role of Math in Educational Equity says that while math requirements are seen as a foundation for academic success, they can also become a filter that stops many students in their educational tracks, especially students of color. Continue reading…