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, ...
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...
Just ONE hot dog
Algebra
Number Sense
Math and Science
Math and Food
Sports
Ratio and Proportion
Data and probability
A newly released nutritional and environmentally sustainable study shows that eating just one hot dog can take 36 minutes off your total healthy lifespan.
How many would you have to eat to lo...
The new R-naught number
There's a number used to quantify how fast a virus will spread, the R-naught number. As the coronavirus spread though out the world, we saw how the threat of infection was measured and und...
Need to rent some chaise lounges
Brian is in Crete and he took a picture of this sign. What do you suppose he's going to ask next?
Yep. "How much will 6 lounges and 2 umbrellas cost?" And more ...
Systems begin.
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