www.ixl.com - This website will help your child with 4th grade math. They can also use it to challenge themselves with 5th grade skills. All they will need to do is sign in and begin working on math skills.
www.razkids.com - This web page is focused on your child's guided reading levels. Their books are at an instructional level and may need some parent help. In this site, your child will also have to log in and can begin reading all night:)