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Growth of Facebook update
Algebra Number Sense Ratio and Proportion Data and probability
Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or interest. Mark Zuckerberg, the f...

Passover macaroons
Algebra Number Sense Math and Food Holidays and Annual Events
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...

A parametric heart ... with love
Number Sense Geometry Holidays and Annual Events Math and Art
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?
Algebra Number Sense Ratio and Proportion 3-act tasks Data and probability
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
Number Sense Geometry Math and Science
[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
Algebra Number Sense Math and Science Math and Social Studies Data and probability
   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
Algebra Number Sense Math and Science Math and Food
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
Algebra Number Sense Geometry Data and probability
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
Number Sense Geometry Sports
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...
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