2. Free! Brilliant is one way to keep your science and math whiz kids regularly engaged and challenged. Students receive challenge problems each week that they complete and then compare against their peers all over the world. They can see where they match up against others based on country and age, and share strategies with others students. The site also hosts competitions involving game theory, writing algorithms, and other fun shenanigans.

3. Free! Looking for a bag of tricks for a math classroom? Mathigon is a website that consists of interactive eBooks, videos, slideshows and apps, with the aim of making advanced mathematics more accessible and entertaining. And better yet--every offering on the website is free. Choose from a variety of activities and slideshows that have been designed specifically for classroom use. A particular favorite?

4. Free! Mathics is a free, online mathematics computing engine built in the same vein as Mathematica, the best-in-class computing engine from Wolfram. The extensive reference library (all the math you can imagine) covers a number of math topics pertinent at the secondary level, and nearly every math or engineering concept covered at the university level.

5. Free! Proclaimed as A FREE, Powerful Algebra End-of-Course Prep Tool, Algebra Nation is mostly geared towards Florida State Standards but resources are adaptable for any educator. Great for teacher collaboration and 24/7 interactive online learning.

6. Free! ExitTicket is a classroom and feedback system designed to work on any smartphone or tablet that enables students and teachers to get real-time feedback any time during class. Teachers can select questions from a database or choose their own as the basis for quizzes, polls, and other "rich media questions". ExitTicket really shines as a pulse-test of whether most students understood the core of a lesson--before they walk out the door. The tool now offers a Lite version to teachers free of charge. The accompanying student module is available via web or through the iTunes App Store.

7. Free! As of 2013, LearnZillion has employed a team of 11 full-time employees and built up a collection of more than 2,000 video lessons created by teachers and organized by Common Core standard. It operates its learning platform – including short video lessons, assessments, and progress reporting – on a freemium model: teachers get free access.

8. Tech Tools and Commentary Pulled From Edsurge Index! Check out the Resources available! Everything can be found there neatly categorized.Resources

9. Thanks for participating and I hope this helped! Feel free to contact me further with questions, comments, concerns, feedback, or just to get in touch: Jastor@laalliance.org