https://xtramath.org/#/signin/student_other Xtra Math - username and password are in their agendas
http://www.aaamath.com/grade3.htm Click on any 3rd Grade Topic
https://jr.brainpop.com/ Brain Pop Jr. username: teravista password: stripes1
http://www.maths-games.org/shape-games.html Math Games
https://play.dreambox.com/login/5bk8/hkxp Dreambox username: in agenda
https://phet.colorado.edu/sims/html/area-builder/latest/area-builder_en.html Area Practice
http://www.aaamath.com/grade3.htm Click on any 3rd Grade Topic
https://jr.brainpop.com/ Brain Pop Jr. username: teravista password: stripes1
http://www.maths-games.org/shape-games.html Math Games
https://play.dreambox.com/login/5bk8/hkxp Dreambox username: in agenda
https://phet.colorado.edu/sims/html/area-builder/latest/area-builder_en.html Area Practice