Don’t worry, 13 is a Happy number! Students learn a new function and test whether a number is Happy or Sad. The activity: Friday-the-13th.pdf CCSS: 5.OA, 6.EE, 8.F, MP1, MP7, MP8

The GHOST WHISPERER now has a replacement!!!! John Tranter of Transum Mathematics has created the Mythical Mathematical Mind Reader and we’ve updated our activity to accompany the fun.

Students consider the posted pricing of this bowling alley. What must they consider when choosing how to pay? What do you expect will be the best deal? How do you know?

Students can use the man or the basket as a reference as they try to approximate the size of these gifts and how much wrapping paper will actually be needed. Approximation, surface area, reasoning explanation, and diagraming! An X-box is…

As a snowflake falls from the sky, its crystal grows according to the humidity and temperatures of the air that it passes through. In this activity, students interpret a graphic that clarifies that growth and try to deduce what conditions…

In this activity students try to figure out how time settings will change as they move from place to place and what variables are involved in the daylight savings time shift. Day length? Latitude?

The Day of the Dead is always on the first and second of November. Life and death are part of the natural cycle of life and the Dia de los Muertos honors that cycle. Peppery Mexican hot chocolate is part…

Let your students marvel at World Record winning giant pumpkins as they use proportions to calculate the quantities of pumpkin puree and the number of pumpkin pies that could be made from one of these giants. To introduce the task…

*** Two activities *** When Columbus landed in Guanahani (renamed San Salvador, Bahama Islands by Columbus), he began the European settlement of the New World. Guanahani was inhabited by the Taíno people and it wasn’t really a new world. In this…

Combine colorful and cool fall hiking with a little mathematics about percent grade change. What is a steep grade? Why is it in percent? How does grade change relate to slope?

In this activity student try to redistrict our pretend state in order to preserve the overall state’s leanings in its new districting plan. Then students redistrict the same state in a way that insures that the minority party will win the next election.

Probably most of the athletes that went to Tokyo didn’t win a Gold, Silver, or Bronze medal. We couldn’t find any numbers about these people. Can you figure it out from what we could find?