Tag: 7th

A socially-distanced party

I risked infecting my friends or becoming infected myself by throwing a very small socially-distanced party.  I served baked appetizers, disinfectant wipes, and latex gloves.  I cooked while wearing clean latex gloves and served the appetizers with a spatula.  The…

May 27th launch from the U.S. again

NASA and SpaceX plan to launch humans from Kennedy Space Center, Florida, to the International Space Station for the first time since July 11, 2011. This is a more current events activity than mathematical.

Memorial Day 2020

This Monday Americans will celebrate Memorial Day.  Who are we honoring?  How did the holiday come about?  Isn’t Memorial Day usually on May 30th? Students learn a little about the history of the holiday, analyze the possibilities and patterns for when…

Big beach towel

Since beaches are starting to open again, we thought this activity might bring smiles and hopes. Act One: Check out this beach towel!  What do you wonder? What would you like to know? Miami artist, Misael Soto (pictured on the left below),…

The AQI – Air Quality Index

See how much particulate matter, low-lying ozone, carbon monoxide, nitrogen dioxide and sulfur dioxide there is in the world’s atmosphere at any one time and place. Students learn about the scale of the AQI and search for some of the contributors to unhealthy locations.

Mother’s Day math – 13 possible activities

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 Day spending.  You could even…

Sadly, Jorge passed away yesterday.

Jorge would have been 15 years old on May 5, 2020. We wondered how old that would have been in human years. Does that 7 times his dog years formula really predict all dog’s aging?

Microns and Masks

How big is a coronavirus cell? How big is a micron? How well do these masks protect against the virus? What can you observe about the size of particles mentioned? Why are we wearing masks?

Stock Market headlines – Biggest losses since 2008

Biggest losses since 2008 – The Dow is measured in points but this decline can also be measured in the percentage lost.  Which way was the Dow being measured when this headline was produced?  Which method makes more sense? Wasn’t the initial value of the Dow much lower in 2008?

World record Snickers Bar

This World Record Snickers Bar was created in late January at the Waco, Texas Mars Wrigley Plant. What proportions would be an accurate cross sections of this monster bar? How many Mars Wrigley workers would this feed? How are your calculations different from what was published? How must their calculations have differed from yours?

Peeps

This activity is a investigation intended to get students and teachers to loosen up a little and appreciate how just considering a situation might lead you to a very reasonable approximation.
Too often students think that there is only one answer that is right and that the method for approaching that solution is also limited to the “correct” approach. Surely this fear of experimenting and guessing leads to math anxieties and the fear to reason and experiment.