University of Illinois
University of Illinois Extension: Urban Programs Resource Network: Christmas Trees & More
Here you can find a wealth of information about Christmas trees that grow here in the U.S. Content includes tree facts, tree types, selection and care, Christmas traditions, recipes, and more! Be sure to click on Christmas Tree Fun for...
Other
Kiddy House: All About Christmas Kids and Teachers
Check out this awesome secular Christmas resource. This site offers songs, customs, themes and more.
Texas Instruments
Texas Instruments: Absolutely Silver Dollar City Christmas
Students will be challenged to submit an equation that "fits" a picture of a Christmas tree. Then they will generate an equation based upon a transformation of the picture.
Texas Instruments
Texas Instruments: Leaning Toward Christmas
Students will generate equations in an attempt to match the left side of a Christmas tree.