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This activity has been updated (2026). See the new activity here: https://www.yummymath.com/post/light-bulb-cost-comparison/ There's a lot of misinformation out there about the cost to consumers of CFL and LED...
Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews from slavery in Egypt. Let your students review fractions in...
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...
For Saint Patrick's Day add a little nutrition math to your celebration. In this post we look at calories, carbohydrates, sugars, fats, and proteins to decide what would...
François Englert and Peter W. Higgs François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire...
Clicking on the image will show it larger. I'm not very good at understanding how large my device capacities are and how big the files that I want...
In the travel section of our newspaper this week, Wiltshire, England was a recommended destination to see Stonehendge and crop circles ........... crop circles? Many of the crop...
Updated! Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases. This holstein cow is one of many huge contributors to our methane production. Let students...
Father's Day is coming up, and there is still time to have a tiny fraction review in the guise of celebrating Father's Day. This is a short activity...
Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012...
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage...
The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager's environments are changing....