This is a study unit on Australia including geography topics, aboriginal culture, Australian animals and "Waltzing Matilda" (among other things!) It's designed to cover about a month of study, but could be expanded or shortened to fit your needs. Essential curriculum materials cost $7. Can be expanded with various resources and materials (including a didgerigoo) that cost up to $50.
This site from the University of California has a large collection of free resources for learning
A resource from the Smithsonian with news articles and lots of teacher tools.
This is a great little website with printable paper dolls.
This company offers curriculum in Math, Language Arts and History.
Complete math curriculum for grades K through 8.
This site is part of "gamification" trend in education, using the World of Warcraft game as the b