Category: Current events

Daylight saving time dilemma

Daylight Saving time is controversial, disruptive, useful, saves energy, increases energy consumption, is inconvenient …  Imagine locations where neighbors are differentiated by one or two hours and experiment with how the hours of those neighbors will be different. DaylightSavingTimeHours.pdf

Total solar eclipse – apparent sizes

Where will the eclipse be seen?  What if you are not in the path of totality?  Total solar eclipse?  What is apparent size?  How can the moon seem to cover the sun completely? We’ve created a pretty extensive investigation about…

Giant iceberg breaks off from Antarctica

The crack in Antarctica’s Larson C ice shelf has been growing for years.  Has the speed of the rift’s growth stayed about the same? increased? decreased?  Do the math and discuss the implications. The activity:  ice-sheet-rift.pdf

Saving Water Bottles

In my grocery store they now have these new water bottle refilling stations. You can simply refill your own container with water instead of buying a six-pack of bottled water. Do you think that this is a good idea?  Are they…

Opening weekend of Wonder Woman

Can you tell from its opening weekend how much the new movie, Wonder Woman, might earn in theaters?  This activity can be used anytime and is especially timely when there is a new blockbuster movie released.  We’ve left blank spaces…

Fidget spinners – fad or lasting trend?

Do you recognize what these are? Are you noticing students with these gadgets? Is this a forever toy or just the newest thing? Can you tell by looking at trend charts of Google searches how this phenomena will proceed?  Let’s…

Proposed southern border wall

You have probably heard about the proposed border wall that may go up along the U.S./Mexico border.  How much wall needs to be built? How much will that cost? What is that per mile? Per foot? What else could you…

Mother’s Day activities

Mother’s Day by the numbers – Mother’s Day is right around the corner and this means big business for the greeting card and floral industries. Let your students practice averages, percents, and large numbers while they analyze the statistics on Mother’s…

Earth Day, 2017

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…

Is 2017 prime?

Every birthday I consider whether I’m in the prime of my life … like when I was 29 years old.  Will this new year be a prime year?  I hope so. Don’t use Google or Siri or whatever.  Just see…

Shrinking Toblerone

They changed it.  That is so not fair … or is it? You can check out a video news story on the delicious shrinking Toblerone bar here. Two sizes of Toblerone bars are now configured differently.  How much did they…

Cubs bury curse !

Wow!  It’s been a long time coming.  The Chicago Cubs just won the World Series! The last time they won the World Series was in 1908 (For some perspective, that is the same time the first car, the Model T,…

Halloween tricks and treats – 13 activities

How many houses can you get to – It’s Halloween. Time to trick or treat.  How long will it take you to get to all of these houses?  This is a very open-ended task, counting, trick or treating strategies, distance and more.…

Cheap-otle?

One of my favorite foods is a burrito.  One of my favorite places to get a burrito is Chipotle.  Their food is delicious and environmentally friendly. For Halloween 2016, Chipotle is again running a promotion and charity drive.   Chipotle is…