[url=https://www.geogebra.org/u/tbrzezinski]Timothy J. Brzezinski[/url][br][url=http://www.brzmath.com]Brzezinski Math[br]Challenges and solutions of teaching with GeoGebra[/url][br]Bio[br][br][br]Tim Brzezinski is a full time Independent Mathematics Education Consultant, Mathematics Teacher, and Accredited GeoGebra Trainer and Author ([url=http://www.brzmath.com]Brzezinski Math[/url]).  He is a former full time High School Mathematics Teacher (Berlin High School, CT) w/15 years experience (2002 - 2017) and part time Mathematics Instructor (Central Connecticut State University) w/15 years experience (2002 - 2017).   [br][br]Mr. Brzezinski facilitates active and engaging GeoGebra professional development workshops for Mathematics Teachers and Administrators worldwide.  In these workshops, he demonstrates how GeoGebra can serve as an powerful platform that effectively fosters active, student-centered, and differentiated discovery-based learning, meaningful remediation, and ongoing formative assessment.  Mr. Brzezinski also continues to author interactive [url=http://www.geogebra.org/u/tbrzezinski]GeoGebra resources[/url] for Mathematics Teachers worldwide.  He also creates interactive GeoGebra content for publishers and other ed-tech companies seeking to accompany their curricula with such material. [br][br]Tim is also a non-professional magician and enjoys spending lots of time with his wife and their three young energetic children.  [br][br][br]Twitter: [url=https://twitter.com/dynamic_math]@dynamic_math[/url][br][br]Facebook: [url=https://www.facebook.com/BrzezinskiMath]Brzezinski Math[/url][br][br]Instagram: [url=https://www.instagram.com/brzezinski_math/]brzezinski_math[/url][br]