If you are looking for a way to connect with others, Facebook can not only provide resources by liking pages, but also a connection with others trying to teach math effectively by joining groups. Instructions on signing up for Facebook.
Pages to you might like
Global Math Project
Brilliant.org Math
Open Middle
Making Math Moments that Matter
Math is Visual
Desmos
Data is Beautiful
San Diego Math Teacher Circle
National Council of Teachers of Mathematics
California Mathematics Council
National Museum of Mathematics
Numberphile
Mathematical Association of America
American Mathematical Society
3blue1brown
High School
CPM Educational Program
High School
Connected Mathematics Project
Middle School
Math Visuals for All
Elementary
Math Expressions
Elementary
Graham Fletcher
Elementary
Facebook Groups to Join (some will require answering questions.)