Big Air snowboarding
Starting February 18th a new Olympic sport will be televised ... Big Air Snowboarding. Some of your students may be officianados of snowboarding. Using this activity could be an opportunity to l...
Number Sense
Genres
Grade
Spiraling triples
Let students explore the patterns of perfect squares and Pythagorean Triples as they analyze our piece of art and decide why the resulting construction looks like spiraling squares. For a finale the...
Giant iceberg
Ferryland, Newfoundland. JODY MARTIN / REUTERS
Over the past Easter weekend this giant iceberg drifted passed Ferryland, Newfoundland. Its hard to tell how large it actually is but...
Alarming ice cracks on Brunt Ice Sheet in Antarctica
A new, fast-growing ice crack is forcing the Halley VI British research station in Antarctica (shown above) to be moved. Fear of a huge break-off from the ice sheet is alarming no...
Civil rights marches, how do you count a crowd?
On October 16, 1995, perhaps a million black men gathered for the Million Man March on Washington. This was 32 years after Martin Luther King, Jr. gave his histo...
How much have doughnuts changed?
Part of the Smithsonian's Sally L. Steinberg Collection of Doughnut Ephemera -- Click on the image to see it larger.
When you are working on volume in your class, you can use this activi...
McDonalds moves towards antibiotic-free chicken
Recently McDonald's announced that by 2016 they will use only chicken raised without the antibiotics that are used in human medicine. McDonald's plans to join Chick-fil-A, Pa...
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...
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 ...
Is this possible?
Brian Shoemaker, a Newton, MA mathematics teacher, saw this Dunkin Donuts Mazda traveling down the road.
He wondered if that size coffee cup could really have coffee in it. &nbs...