I use class dojo in our classroom for rewards of appropriate behaviors. I also communicate back and forth with my parents through class dojo please click on the link below to create an account.  

https://www.classdojo.com/

These are a few websites that your child can use when they are at home. 

http://www.abcya.com/kindergarten_computers.htm

https://jr.brainpop.com/

http://www.kinderhelper.com/

http://www.scholastic.com/clifford/