More ideas from Eliška
Stop yelling and start making them responsible. Colorful behavior chart for kids. They are never too old for one of these.

Behavior Chart: Begin at "Good Job" every day. If a child is on any green space at the end of the day they get 5 pom poms in their jar. When the jar is full the child gets their pre-chosen reward (treat, prize, night out with mom or dad, etc.