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...
Data and probability
Genres
Grade
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...
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...
Inauguration Date
The date of the Presidential Inauguration this year can be written in an interesting way.
What do you notice? What do you wonder? Do you think that this happens often in a yea...
Really stuffed!
Wow, these cookies look really stuffed!
How much more "stuffed" are they compared to Triple Double Oreos, Double Stuf Oreos or even Original Oreos. Does this look yummy to you or gr...
Sadly, Jorge passed away yesterday.
He was a great dog! We wondered how old he was in human years?
Jorge has been part of YummyMath for a long time. Sadly, yesterday he died. We wondered how old he would ...
How many delegates does each state get to send to the Democratic Convention?
Texas gets to send a lot more delegates to the July National Democratic Convention than New Hampshire does. How do they figure out what each state's fair number of delegates ...
Who's going back to school?
Students look at the past and present populations of the U.S. and the past and present population of school attendees to calculate the percentage of the population that are enrolled in K-12 school...
NHL Playoff games can sure last a long time!
Revised!
We're watching another Stanley Cup playoff now. Will there be any really long games during the playoffs?
In 2013, a Stanley Cup playoff match between the Bruins and Blackhawks wen...
Jackie Robinson
April 15th, 1947 was a date to remember. Jackie Robinson became the first African-American baseball player to play in Major League Baseball since the game was segregated in the 1890s. Robinson...