Things to help out in silver
When facing shaco, ward early. He likes to gank from his red side.
Ward before extending.
dont overextend with a lead and dont try to 1v3
Watch the map for jungler so you know when to or not to go aggressive
If you aren't great at a roll, play safe
Keep track of Flash timers, so you know if you can go aggressive
Buy pinks every chance
Move ward placements up the map as you push