I have a K, 2, 4, and 6 grade this year. We combine using My Fathers World which is Geofraphy, History, Music, Art and Science. I think those are easy to combine. just teach to the oldest and you'll be surprised what the younger ones glean.
Sent from my "smart" phone
Wife to 1
, L 12-02, B 7-05, J 2-07, L 12-08, S 10-10,
and Q 5-29-12