Finding Perfect Numbers

Yesterday’s was all about Perfect number. It’s not how pretty the number is, or how well you like its form. It’s not even about if the number is your favorite. Perfect numbers have a distinct definition. A perfect number is a number whose factors (not including the number itself) add to give the number itself….

Comparing Rods for Fractional Relationships

In this activity we are comparing each rod to each of the others to see the fractional relationship. It looks overwhelming, but it’s not. The first couple of rows or columns are the most challenging and after a pattern emerges, and it becomes much easier.  Having said that, this comparison did take us three to four…