Ebola updated
Ebola has continued to gain strength and devastate regions of West Africa. WHO (World Health Organization) updates their data frequently and the progress and lack of control of...
Number Sense
Genres
Grade
Saffron and paella
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of growing saffron and becoming immen...
The growth of Godzilla
Image from Kris Holt: http://www.policymic.com/articles/76357/the-scary-way-godzilla-has-evolved-through-the-years-in-one-chart
The new Godzilla movie is out at theaters. ...
An ounce of cola
Which is more expensive; gasoline? milk? or cola? Students calculate the per ounce cost of each of these liquids in a story about a man doing errands. After finding the per ounce price, ...
Cost of light bulbs - updated!
Algebra
Number Sense
Math and Science
Math and Social Studies
Ratio and Proportion
Data and probability
There's a lot of misinformation out there about the cost to consumers of CFL and LED bulbs and the savings in energy and money that could be realized.
Let your students "do the math" and realiz...
Mom's matzo ball soup
Passover begins this year on Wednesday evening, April 5th, 2023, with a Passover seder dinner. Passover is one of the three high holidays in the Jewish calendar and celebrates the Exodus of Jews f...
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 ...
Shamrock Shake
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 be left for our day's ...
Scoring Olympic ski jumping
The scoring rubric for each of the Olympic events is intended to eliminate the possibility of scoring bias from the judges. Let your students learn more about the scoring of one event and deci...
Which TV is the Best Deal?
Check out the TVs. All have essentially the same features, only the size of the screen varies. Which TV do you think is the best deal?
Explore area and unit pricing to determine which H...