Robert Munsch: Listen to stories told by Robert Munsch
http://robertmunsch.com/Starfall: We work on this site in the computer lab and also on the laptops. Great for letter recognition and working on words and sentences. The kids like all about me, making a calendar and making your own snowman and pumpkin.
http://www.starfall.com/Dr. Seuss: The land of Dr. Seuss many activities offered on this site all to do with Dr. Seuss and his books.
http://seussville.com/Aplus math: A great for 1st graders to develop math skills. Flashcards, math word find and homework helper.
http://www.aplusmath.com/Funbrain: Fun site for kids. Works on problem-solving skills while having fun playing games. The playground is a great place to start.
http://www.funbrain.com/Spelling City: Get spelling words from your class to work on. Spelling list can be put into word search, crossword puzzles and many other activities. The teacher will put the weekly spelling words in and the kids can access it.
http://www.spellingcity.com/PBS kids: Many games with Arthur, Daniel tiger, nature cat, and many more.
https://pbskids.org/