Passover macaroons
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 religion and celebrates the Exodus of Jews f...
Number Sense
Genres
Grade
A parametric heart ... with love
Valentine's Day is a good excuse to explore parametric equations. First students figure the coordinates of this figure using trigonometric unit triangles. Then they simplify and accelerate...
How much should you spend on this sale?
This activity can be used in a large range of grade levels. Your class can work on percents, linear equations or piecewise functions.
Act One: We missed the semi-annual sale but we want to get ready...
Kilauea's lava flow
[caption id="attachment_15749" align="aligncenter" width="500"] Halema‘uma‘u Lights the Morning Sky - Photo taken from the overlook by the Volcano House on January 30, 2014 - NPS photo[/caption]
Th...
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...
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. ...
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...
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...
HDTV Surprise!
How were your holidays? Your school vacation? Mine was good. I surprised my family with this HDTV, which I wrapped and hung on our wall. The size of an HDTV is determined by ...