On March 3, 1931 (85 years ago), “The Star Spangled Banner” become our national anthem. National Anthem Day is celebrated on March 3rd ...

Perhaps you've heard that this year 2016 is a leap year. How do we know that? We use the figure 365 for the number of days in a yea...

Susan Vilar credits Excel Math with helping her achieve Teacher of the Year at Hoover Elementary School in Oklahoma.  We are proud to ...

Although it may not be as well known as Pi, e is also an irrational number that is roughly equivalent to 2.7. The first few digits are...

It's been five years since California adopted the Common Core State Standards for mathematics and English language arts. During tha...

Memorizing the Periodic Table just got even harder. On December 30, 2015 the International Union of Pure and Applied Chemistry, a scie...