Should you buy a hybrid or an electric car to save money and the planet? Students create equations for finding the break-even points of these vehicles by mileage and years of ownership. They then work with systems of equations to…
How much pee is in this pool? – A Canadian chemist, Xing-Fang Li, has found a marker for urine that chlorine doesn’t disguise. In this activity, students calculate volume of several pools, change that cubic foot volume to gallons of pool water,…
We have two Father’s Day activities, a Juneteenth activity, and a revised (and shortened) Longest Day/Summer Solstice activity.
A little sports history and data analysis through the context of NBA Finals math! In this activity students consider scatter plots, circle graphs, bar graphs, Venn Diagrams and the concept of mean.
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.
The Winter Olympics begins this week in Beijing.
Wikipedia had this schedule of events. We think that there is a lot of information missing and apparent in this graphic. What can you tell and what would you like to know?
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.
Ask students whether they think a game played at home gives their team an advantage. If so, how much of an advantage? Enjoy the discussion first, then show them our graphic.
Students use the infographic to compare NFL team home and away wins. They consider the best home team, the best away team and decide if NFL teams really do seem to have a home field advantage.
Here are two very different maps about where Veterans live in the U.S. and which states have the largest density of Veterans citizens. What do these two maps make you wonder or realize? How can you explain their comparison?
Use our current data on Halloween spending in America to engage your students in an analysis of the ratios and percents of population, participation, and money spent in honor of October 31st. This activity takes kids through finding parts of wholes as well as ratio, percents and proportion problems.
Updated! You can order a ton of combos at Chipotle. They advertise that there are 65,000 ways to order their meals. Do you think that is correct?
Spring is the start of tick encounters. Help students study the prevalence of Lyme disease in the US; in their own state; and methods for preventing it. What are your odds of contracting Lyme disease?
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.
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.
Updated for 2022! In this activity students study historical Super Bowl data to reflect on average (mean, median, and mode), losing scores, winning scores, and range of scores. They are asked to judge which of these central measurements seem the most meaningful…