STEM Collaborative

STEM Collaborative.org offers four online adventures in math and help middle school students make real-world math connections. Each interactive project includes: teacher guides/educator resources, lesson plans and interactive activities, standards alignment chart, rich multimedia and video, and helpful tips and hints for classroom integration. Key math concepts within geometry, pre-algebra, Algebra I and II are covered. Interactives with measurement, proportional reasoning, balance, scale, weight,, volume, and others encourage active learning, strengthen students' core understanding of middle school math concepts and reinforce reasons to love math. (description from their site)