This Friday is the 13th. Let the spooky stuff begin! Students can play this game online at Ghost Whisperer Crystal Ball and Figure out why it works. Construct viable arguments Critique the work of others This activity can be used with any…

In the midst of another NFL season, we introduce students to Fantasy Football. Students first calculate football points given touchdowns, yardage gains and interceptions. They are then challenged to generalize an equation that gives a player’s total fantasy points. Students solve…

At the amusement park, our friend, Jason, was intrigued with this sign for drink deals. He and his family come often to the park and, during the summer when it is hot, naturally drink a lot. Which is the best…

Saturday, April 22nd is Earth Day There is so much to bring to your classroom to support recycling, conserving resources, studying climate change and protecting our planet. McDonald’s moves toward Antibiotic-free chicken – What will the effects be on costs at the restaurant, costs in…

I want to get an iPhone8 and maybe change my service plan. Which of the above plans should I choose? Student pick one plan and consider the cost of the phone and plan over time. They make tables, graphs and equations. Consider…

How many hours of HD video can my DVR strore? How about SD video? I love my DVR. I can record my shows and movies and watch them whenever I want. I know that when I record HD programs my…

This can’t be right! If my flight cost $200 and I stayed for 10 days it would be free. Right? You can kick off this activity by asking students to think about where in the world they would love to travel…

Wow! Check out this deal at Macy’s. For $25 I can join Macy’s Star Rewards program. I get 10% back in rewards for every dollar I spend. Its pretty cool that Macy’s gives part of that $25 to charity. Should you do…

My friend and I were arguing about how long it would take me to double my investment amounts. How will your students figure this out? Are there any tricks? Explore investing and exponential growth as your students discover “The Rule…

Albert Pujols, entering into his 13th year as a MLB player in 2013 could be on pace to break lots of records! In 2012 Albert signed a 10-year $240 million contract with the Los Angeles Angels. In his first season…

Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, missing data for averaging, line of best fit, Google Earth, world locations,…