Google Classroom (for class management)
Google Jamboard (for journaling, sharing ideas anonymously)
Google Site (for creating a resource page, a gallery or portfolios)
Blogger (for journaling)
Desmos Teacher Lab (and a problem solving activity using Desmos for low level student)
Padlet (for sharing ideas...)
Explain Everything (for presenting, and explaining ideas)
Notes on Math Journaling from Joan Countryman’s Writing to Learn Math by Terry
The 5 Practices in Practice: Successfully Orchestrating Mathematical Discussion in your Middle School Classroom (and an article that summarizes the practices)
5 Practices for Orchestrating Productive Mathematics Discussions