Math:
Weebly: http://interactivesites.weebly.com/math.html

IXL: https://www.ixl.com/math/

Pebble: www.pebblego.com

Brainpop: Brainpop.com

MobyMax: MobyMax.com

duckduckgo: www.duckduckgo.com

SOLpass-Solpass.org

mathplayground: http://www.mathplayground.com/

Funbrain: http://www.funbrain.com/

Reading:
Tumble books-www.Finditva.com

Razkids: Razkids.com

http://www.carlisleschools.org/webpages/pluta/teacher.cfm?subpage=1265199

http://www.readingrockets.org/

Social Studies/Science:
World Book online: www.worldbookonline.com

http://mrnussbaum.com/readingpassageindex/

http://www.loudoun.k12.va.us/Page/89213