Category: Holidays and Annual Events

Investigations that relate to regular annual events.

Guacamole for Cinco de Mayo – buy it or make it at home?

Students have the guac ingredient list and the price of each ingredient in their usual quantities … like a bottle of lime juice. But we don’t need the whole bottle to make our dip. Students calculate the cost of the various ingredients and decide if making it is more expensive than buying it from Chipotle.

Earth Day 2021

Thursday, April 22nd is Earth Day – We have 15 interesting activities that support recycling, conserving resources, noticing climate change and protecting our planet. The shape of Louisiana – At what rate is the state loosing land and wetland?  Why is this happening?  Will…

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.

YUMMY food for Passover

Passover will begin this year at sundown on Saturday, March 27th. Jewish families will gather to commemorate the exodus of the Children of Israel from slavery in Egypt. The celebration begins with a traditional meal, the Seder, where the story of…

3/14 – Pi Day is almost here

We have 8 activities to help you celebrate π in your school and in your math class with activities that demonstrate how π was derived; visually show why π makes sense; show a surprising place where π is used; increase students ability to measure and long divide; applauds the talent of people who can memorize large strings of numbers; and lets students just have fun.

At least the days are getting longer

What’s your guess?  How fast are the number of daylight hours changing each day?  Are the changes dramatic or subtle? Students make guesses; compute how long, on average, the change in daylight hours should be; and finally understand the variability in our year of daylight hours.

Lunar New Year 2021 – Year of the Ox

Celebrated by 1/4th of the world’s population, Lunar New Year begins on Friday, February 12th. This will be the year of the Metal Ox.  The year’s name is a combination of 10 Heavenly Stems and 12 Earthly Branches creating a…

Will Phil see his shadow?

How often does Punxsutawney Phil get it right? Relative frequency! A cute animal will make your students smile as they calculate the relative frequency of Phil’s correct past predictions.

Super Bowl Numerals

Introduce Roman numerals to your class.  In this activity students learn the rules for evaluating Roman numerals, decipher copyright dates, see how Roman numerals are used today, and do some strange looking arithmetic and surprisingly easy computation.

Martin Luther King, Jr and social justice

We have 6 activities on Martin Luther King and the movement to a more fair and equal representation of Black lives in America. A timeline of KIng’s life; a timeline of the social justice movement; the history of Jackie Robinson; data on which monuments in the National Mall are most visited; a study of crowd counting; and an examination of the recent changes in the Bears Ears Monument size and the reasons for that change.