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Gizmos are interactive math simulations for grades 9-12. Over 400 Gizmos aligned to the latest standards help educators bring powerful new learning experiences to the classroom. (REGISTRATION NUMBER REQUIRED FOR HOME DOWNLOAD)
SurveyMapper is a free real-time geographic survey and polling tool from the nice people at the Centre for Advanced Spatial Analysis, University College London. If you have used other ‘polling sites’ then you will be up to speed, except we have taken away the restrictions and added real-time mapping into the mix.