February 2nd, Punxsutawney Phil will again, with great ceremony, come out of his burrow and look for his shadow. Let your students check out the relative frequency of his accurate predictions in this activity. Are his chances of getting it right better than a coin toss?

Celebrated by one-fourth of the world's population, Lunar New Year begins on Friday, February 1^{st}. This will be the year of the Water Tiger. The year's name is a combination of 10 Heavenly Stems and 12 Earthly Branches creating a sequence of year names that eventually repeat.

Students explore the least common multiple of these two cycles without ever hearing the term LCM. They explore some of Asian culture and begin to understand the major significance of this annual event, while they “do the math”.

On October 18^{th}, 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit by concentrating the rays of our Sun.

From Olympia, runners traditionally carry the flame to the site of the next Olympics. This year it has been carried to Beijing.

Last year, Adobe stopped supporting Flash. Since then, our very popular Ghost Whisperer activity (which was created by Andy Naughton and depended on Flash) has not been functional.

Luckily, John Tranter of Transum Mathematics, has recreated a non-Flash rendition of this awesome puzzling activity.

This activity can be used with any grade level elementary through high school. Younger students might work with patterns, multiples and order of operations. Older students might work with systems of equations to prove how the Mystical Mind Reader works.

Timelines for the life and work of Martin Luther King Jr. - Students create one of two timelines about Martin Luther King Jr's life or the efforts in America to create a more fair racial balance in the U.S. updated 3.MD, 4.MD, 5.MD, 6.RP, 6.G, 7.RP, 7.G