Olympic Skateboarding
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 ...
Data and probability
Genres
Grade
Ranked Choice Voting in NYC
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
Data and probability
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 ramificat...
Can I get your order right?
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...
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.
This W...
It's tick time again ... and Lyme disease
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 ...
Does an NFL player's draft order mean a lot for the player?
Updated!
This Thursday, April 27th, college football players will be awaiting knowing their futures in the NFL.Every spring, roughly 250 college football players are drafted by NFL teams throug...
Shoprite's solar energy goals on the African continent
Shoprite is the largest supermarket chain in Africa. The company is presently engaged in increasing their use of solar power to harness the abundant natural resource of solar potentia...
Man paid in 500 pounds of greasy pennies!
Algebra
Number Sense
Math and Social Studies
Current events
Ratio and Proportion
3-act tasks
Data and probability
A man from Georgia, Andreas Flaten, finally received his last paycheck from his disgruntled employer. He had been owed that last check for several months and was having difficult...
Peeps
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...
At least the days are getting longer
Algebra
Number Sense
Math and Science
Holidays and Annual Events
Current events
Ratio and Proportion
Data and probability
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...