Category: Math and Social Studies

Jackie Robinson

April 15th, 1947 was a date to remember.  Jackie Robinson became the first African-American baseball player to play in Major League Baseball since the game was segregated in the 1890s. Robinson broke the baseball color barrier when the Brooklyn Dodgers started him in 1947…

Valentine’s Day and the Lunar New Year

Which Sweet Heart candies are the best deal? – Students decide which quantity of Sweet Heart candies is the best deal.  Ratio tables, unit ratios, devising convincing arguments. 6.RP.2, 6.RP.3, 7.RP.2 Sweetheart Candies – unit rate and ratio activity using those little candy…

Winter Olympics, PyeongChang: February 9 – 25

Scoring Ski jumping – The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and decide whether it seems fair…

Greasing light poles

The Philadelphia police were being proactive about keeping their enthusiastic Eagles fans from being reckless as they celebrated last year’s Super Bowl outcomes.  So, the police departments have frosted the city light poles with Crisco shortening to help discourage fans…

Cost of hosting Olympic games

Clicking on this image will show it larger in a new window. Hosting the Olympics sure does cost a lot. Why is that? How much money is $5 billion dollars? What is a cost overrun? Why would a country want…

The Olympic Torch trip in South Korea

On October 24, 2017, the Olympic flame was captured on Mount Olympus, Greece. (Lighting the Olympic Torch). That flame lit one of this year’s Olympic Torches and the Torch relay was begun on its way to the opening Winter Olympic…

Canstruction

Act One:  Take a look at the pic. What questions come to mind? Just before Thanksgiving there is an annual demonstration at the Winter Palace in the World Financial Center of New York City.   Canstruction is a celebration of…

Operation Gratitude – Halloween candy buy back

This is a great idea! Motivate kids to get rid of all of that candy for a good cause. Operation Gratitude and dentists are encouraging healthy eating, motivated giving, and offering a good use for all of that leftover candy.

Immigration numbers

Here’s an opportunity to work with calculating percents and the percent changes in the U.S. immigrant population. Students can reflect on what those changes demonstrate. Start your class with this very cool movie showing the history of immigration in the…

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…

Tick time and Lyme disease

Deer tick

With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease occurrences in the United States.  The Center for Disease Control and Prevention (CDC) has published maps for all of the…

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…

Patriots’ Day

In Massachusetts, Monday April 15th, 2019, will be a holiday from school and work.  We celebrate Patriots’ Day on the 3rd Monday in April to commemorate the beginning of the Revolutionary War and the battles of Lexington and Concord. Students…

What does 95% confidence in the poll results mean?

There were polls about who would win the Presidential election. Now there are polls about approval ratings for Congress and President Trump.  You can see the latest poll results here. I get so confused when polling results are reported.  What…