Updated!
Even before your students check out the graphic below, ask them whether they think a game played at home gives their team an advantage. If so, how much of an advantage? Enjoy t...
There must be a lot of Olympians who haven't brought home medals. Probably most of the athletes that went to Tokyo didn't win a Gold, Silver, or Bronze medal. We cou...
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?
Here's an article on the permutatio...
With the start of summer and wonderful outdoor activities, it might be good to examine the growth of Lyme disease and to recognize its carrier, the deer tick.
Will this be a record ...
How many Peeps are sold at Easter time each year?
Students estimate the number of Peeps sold each Easter season. They consider reasonability by making guesses they think might b...
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 l...
The holidays are coming! We found these timely soda displays made up entirely of 12-pack of Coca-Cola products. What questions do you have?
Start out the activity by giving kids 30 ...
Note: This is a remake of our 2014 and 2017 activities "How Much Does a Lego Cost?".
How much could the Roman Colossem Lego set cost ?
Student first make a guess and then think about what ...
Because of climate change, we've been having too many extreme weather events. There have been unusual droughts and heat in the West, an increased number of hurricanes, severe flooding, and high ...
Catching a productive meteor shower can be a stunning experience. On the evenings and mornings of August 11th, 12th and 13th there could be a very good show. A last quarter moon ...