GRAB BAG WEBSITES (which I still need to organize into categories. Good luck sifting through them!)
https://www.readworks.org/
https://www.didax.com/math/virtual-manipulatives.html
https://www.scholastic.com/home
https://www.justbooksreadaloud.com/IndexCategory.php?t=All
https://www.myon.com/index.html
https://www.prodigygame.com/main-en/
https://www.multiplication.com/
https://www.iknowit.com/index.html
https://www.arbookfind.com/UserType.aspx?RedirectURL=%2fdefault.aspx
https://www.kidsa-z.com/main/Login
Zearn Math: Top-rated math program created for teachers, by teachers
https://www.ictgames.com/mobilePage/index.html
https://illuminations.nctm.org/Default.aspx
https://www.mathsisfun.com/index.htm
https://www.superteacherworksheets.com/
https://create.kahoot.it/auth/login
https://www.peardeck.com/pear-deck-vocabulary/
https://www.proguitar.com/guitar-tuner
https://online-voice-recorder.com/
https://accounts.classcraft.com/signup/teacher?promoCampaign=gafe
https://www.foldnfly.com/#/1-1-1-1-1-1-1-1-2
https://www.mathplayground.com/
https://www.matific.com/us/en-us/home/
https://mrswarnerarlington.weebly.com/
https://www.sheppardsoftware.com/
https://www.yourdictionary.com/
https://robertkaplinsky.com/the-art-of-questioning-in-mathematics/
https://www.freeboardgames.org/en
https://www.bridgemultimedia.com/oandm/song.php
http://read.gov/aesop/001.html
https://teach.classdojo.com/#/login?redirect=%2Fclasses%2F5b707b59d2f1c20011fd1e46%2Fstory
Open Middle - Challenging math problems worth solving