Get some cones for drills and some balls that are the size your
league plays with. All kids should bring their own but some
forget. Put your name and phone number on the balls in
permanent marker. a whistle is fine but you won't be blowing
it that often. Plan a set of warm ups ending with a long run,
an unofficial race at the beginning of each practice. At the end
of each practice, kids like to play "knock out" games, like
Sharks and Dolphins. Two sharks try to kick out the bal off
all the Dolphins. We usually play two games so the last two
Dolphins out get to be the sharks in the 2nd game. You use
your cones to mark the boundary of the circle. The cones are
also used for up and back drills where the kids dribble the
ball around them-in and out. Make two lines for this so no one
is waiting long or have two groups doing this and one group
kicking at a goalie in the goal area so line wait is very minimum.
Kids love scrimmaging. Get several large T-shirts they can
change into so all one color for your team to scrimmage itself.
Or-find out what other teams may be practicing in your league
and arrange a scrimmage or two for your practices. Have a water
break after the run in warm up and at least one other as well
as instructing them to get water when they need it. Get parents
names addresses and phone numbers on a roster the first practice and have them sign up for snak then too. Ask that everyone call you-they'll need your number-if practice or games
are to not going to be attended. This is really important so you
can plan who is playing which quarter. Learn the positions and
purpose for them, rotate your players a lot so everyone gets
to play forward-midfield-defense and goalie. Inexperienced should
be mixed with experienced on all areas of the field so your team
is strong and some can show others. At this age, most leagues
allow and expect coaches to coach during the games. Another
poster was correct-screaming is not a great thing to do so be
prepared to run the field as the ball moves to stay with your
players and give instuction if needed. Watch your defensive
players as they tend to get bored if there is no play near them.
I've seen kids let the ball get right by them because they were
not paying attention, again not a yelling thing just be ready to
be there and get them in the game. Learn the rules, some leagues don't use the off sides rule at this age. find out about
the refs and their "job". In our league, at that age, the refs were
all about instruction as well as calling the game.
Good luck.