Lighting the 2022 Olympic Torch
On October 18th, 2021 the Olympic Torch was lit in Greece. It was lit without the help of a flame or a match. It was lit by concentrating the rays of our Sun. From Olympi...
Algebra
Genres
Grade
Mystical Mathematical Mind Reader
Clicking on this image will take you to the Mind Reader online site at https://www.transum.org
This activity can be used with any grade level elementary through high s...
Bowl by the hour or the game?
What should you consider when choosing how to pay? Which do you expect will be the best deal? How do you know?
For Adventurer members we have an editable Word docx, an Excel sheet, ...
Home team advantage?
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...
What's interesting about this number?
Why did we put it on YummyMath today?
What do you notice about this number? What do you wonder? Do you think that this happens often in a year?
Holiday shipping
Now that the shopping season has begun, it's time to get the packages to your homes. Two big companies take care of a lot of that shipping. How do they manage that?
The mechanis...
Wrapping presents on the diagonal
Dr. Sara Santos is a popular mathematician and speaker on mathematics. She has worked out a method for wrapping boxes (rectangular prisms) as efficiently as possible. (W...
2 New Macy's Parade balloons
As the Macy's Parade returns to public viewing, here are two balloons that Macy's artists have added. Can you figure out their dimensions? Macy's give their dimensions in bicycle lengths, taxi w...
Which sale would you rather use?
In this short activity, students decide if these two sales are the same. If not, which is better? How would you explain this to someone?
Death Valley, CA - How hot was it?
This picture may have been Photoshopped and not be a true representation.
We blacked out the Fahrenheit reading of this temperature sign at the Death Valley Visitor ...