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Lots of data displayed in an interactive way. Great for use with an interactive white board. Easy for students to gather data, display, and report.

Enter your zip coade to see US census data and comparisons with neighboring zip codes. Great data site for data that is engaging to students, can be represented in multiple ways, and potential for predicting future trends.

Movie box office data that is current and very comprehensive. Several different trends are easy to track including exponential, and log functions. Great for using with students to create regression models, making predictions based on the models, checking the results and re-analyzing. Also, when a movie doesn't follow the predictions there are often easy to understand reasons for why the movies behave differently (a holiday weekend may cause the movie to gross more on a given weekend than predicted, etc.)

"Visualize your numbers, explore charts, and share insights with others. " Great data source. Students can explore data sets, identify different ways of representing data, as well as identify different characterisitics of data.

A case study of a teacher using twitter to collect probability statements in natural language

Mathematics has a reading protocol all its own, and just as we learn to read literature, we should learn to read mathematics. Students need to learn how to read mathematics, in the same way they learn how to read a novel or a poem, listen to music, or view a painting.

Pattern blocks are great tools for developing conceptual understanding. I hope to continue to see them used in classrooms, but the virtual kind can allow students to share their thinking with other students virtually. I like using screen capture, cut/paste, upload to a wiki, comment on characteristics/size/description of '1'/and sharing with students so that their thikning can be revisited from multiple venues (home, classroom, internet-broader audience).