The Forever Roll
That's a big roll of toilet paper! Why would anyone need such a big roll of toilet paper? How does it compare to Charmin's other toilet paper products? If this roll lasts for...
Ratio and Proportion
Genres
Grade
Eliud Kipchoge runs marathon in 1:59:40.2
Eliud Kipchoge breaks 2 hour marathon barrier.
On October 12th 2019, Eliud Kipchoge ran a marathon in Vienna in under 2 hours. He has now broken a barrier of what humans are c...
Drill bit fractions
Act One: Drill bits are measured by the diameter of the bit in inches. The drill bits below are ordered left to right in increasing size. The numerators in the fractions have been black...
Does it pay to get educated?
Why should students do well in school, graduate high school, or go on to college? In this activity median earnings by various education levels are explored. Students compare t...
So just print some more money!
What's the big deal with our deficit?
Do we actually borrow money to cover our debt?
If we do, imagine the interest charges?
Help your students...
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...
Are original movies better than their sequels?
We've gathered some data on movie ratings and their sequels and asked students to analyze the data, decide on some analysis and debate (with their mathematical data) which are better ... the origi...
Louisiana
We recently watched the approach of Hurricane Barry and worried about the fate of Louisiana. After the devastation of Hurricane Katrina, what would another powerful hurricane do to this fragile ...
How can Nike give away so much great stuff?
Worldwide Nike supports many teams and athletes. They design, manufacture, and supply gear for almost every sport imaginable. How much are those give-aways worth? Is the company going ...
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...