Shrinking Toblerone
New York Times photo - Credit Darren Staples/Reuters
They changed it. That is so not fair ... or is it? You can check out a video news story on the delicious shrinking Toblero...
Ratio and Proportion
Genres
Grade
Flag Art
A little ratio art might be a fun way to get ready for the upcoming Memorial Day holiday. In this activity (Flags) students measure; create whole number ratios for the official U.S. flag; decide h...
Green, green river
During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green.
Students learn what PPM (parts per million) means and attempt to figure ...
Twinkies
Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He's going ...