Category: Number Sense

The new R-naught number

Now we’re plagued with the Delta variant of the coronavirus.  What was the original virus’ R-naught number and what has it become?

Olympic Skateboarding + more

We are very excited to see skateboarding as an event in the Tokyo Olympics.  Skateboarding is athletic, artistic and difficult to master.  Why has it taken so long to become an Olympic sport?  What events will you be able to…

Ranked Choice Voting in NYC

New York City is still tallying its election results for a new Mayor.  This year they tried Ranked Choice Voting.  What does that mean? How does that work?  What are the ramifications of this sort of voting? Do you think that this will be a fairer and more positive way of electing a Mayor? Students experiment with the technique of tallying the votes using our flow chart and make some observations and decisions about the process.

How much is a trillion dollars?

U.S. Congress is now debating how much money to approve on spending for infrastructure.  The numbers are between 1 and 3 trillion dollars. I can’t even fathom that amount of money.  Is there a way to imagine it in proportion to something else?

What is Juneteenth?

Language just updated! You can appreciate why this is such a great celebration when you look at the stages and some of the events and dates of America moving towards freedom from slavery. In this activity students read about the…

Monopoly and summer games

In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with properties), students create scatter plots.  They…

Nathan’s Hot Dog eating contest will return this year

Nathan’s Famous Hot Dog Eating Contest has been held each July 4th since 1972.
What do you wonder about this event?
What questions do you have from looking at all of this historical data?
How have the records changed?
Why do you think that is?
How many hot dogs can a human possibly eat in 10 minutes?

Memorial Day 2021

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 it is celebrated and make observations about the incredible numbers of deaths that have been caused by war.

AQI – Air Quality Index

The AQI is a measurement of how much particulate matter, dangerous 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 research some of the contributors for many unhealthy locations.