5.5.5 Finger Patterns: Once double facts are embedded (and children can count 2 collections, in case they need to do that to help) they could play this game.
Free Addition Game for the Doubles Facts - doesn't have to be doubles. I like this idea for any facts, especially up to 5 for Kindergarten
6.5.3 Doubles with Dominos pack
Doubles Addition FREEBIE - Mrs. Richardson's Class
2e28d318d7a37cc20ae6ae8739d5a1f4.jpg 3,264×2,448 pixels
Doubles Addition Teaching Ideas that are great for first graders! I love the song that this teacher shared, too!
Flying into First Grade: More FREEBIES!!! Doubles and Weather!!!
Help your kids have fun while learning their doubles math facts with this Domino Doubles Game from Creative Family Fun
SLIDES AND LADDERS--ADDING DOUBLES - TeachersPayTeachers.com
Here's a rap for helping students remember the doubles facts. @Leslie Myers you can use this for 1st grade!