Brain Pop is a great website with kid friendly cartoon videos on all content areas. The videos are short and very engaging. They are also very informative. Each day there is a daily topic you can investigate. You also have access to find things that interests your child. You can get a single family membership for free!
Newsela is one amazing resource. Your teacher will need to give you a username and a password to access this site. This is like a newspaper for kids in elementary through high school. Your child can search topics they like and read the newspaper article at their level.
This website has a little bit of fun for everything! The math section has virtual manipulatives that are fun to use. Reading has games and all kinds of activities. Click the picture above to get to the site.