If you are interested in more activities to involve families you might want to check out these three resources from the Lawerence Hall of Science at the University of California, Berkeley. These three books provide activities that engage children with their families using very common objects. The activities cover all mathematical strands and promote problem solving and thinking strategically. One thing I really like about these books is the ability to use the same activity across grade levels or as extensions for some students. Each activity has a picture key to indicate if it's good for early, middle and later grades.
Family Math II
Family Math for Young Children
Family Math The Middle School Years