Here are some websites and iPad sites for you and your children to enjoy.
I will add more as I evaluate the sites that are available.
www.starfall.com
www.funbrain.com
www.PBSKids.org
www.coolmath4kids.com
www.gonoodle.com
www.storylineonline.net
www.ryanandcraig.com
www.abcya.com
www.kids.nationalgeographic.com
www.scholastic.com/parents/play
www.crayola.com
www.highlights.com
www.jumpstart.com
www.seussville.com
www.abcmouse.com
www.rangerrick.org
www.splashlearn.com