It is vital for players at the U10 level to continue with the fundamentals of ball control, passing, receiving and shooting.  U10 soccer drills should emphasize these skills without getting very complex or requiring a lot of passes.  In order to keep the drills flowing try to use drills that require a maximum of 2 passes.  When games are incorporated they should be small sided 1 vs. 1, 2 vs. 2, or 3 vs. 3.  Players can begin to learn how to attack and work with one or two other players but they will typically not comprehend how to work in a group of more than three players.  It is also important to nurture the love of the game by introducing small sided games that excites players and also gives them a lot of touches and opportunities to hone their ball skills.  If you are looking for an example, ckeck out a free U10 soccer practice plan that includes animated drills and diagrams.