Math Staff Communities- Find the PWCS Unit Guides packed with resources.
https://www.pwcs.edu/academics___programs/mathematics

Would You Rather Math- Make decisions between two things using mathematical justifications
https://www.wouldyourathermath.com/ 

Estimation 180- make your best estimation "guesses" in pictures
http://www.estimation180.com/

Clever- this will allow you to sign into your 365 accounts and then opens many other applications.
https://clever.com/

Quizizz- create or duplicate quizzes for you and your students to see how they are doing on certain objectives in a game like fashion.
https://quizizz.com/