Help Identifying

[Austin Turtleback]

After a few years of hunting, I've never found an actual point. Lots of other things though that I would appreciate some help with. I'm especially intrigued by yesterday's accidental find while biking on a nearby trail. The edge of that stone was protruding so much out of the ground I went back to remove it so other cyclists wouldn't get a flat tire. After pulling it out I was wondering if it was maybe a broken ax or hammer stone of some type? There's definite working on one edge...at least to my novice eyes. Anyways any help would be much appreciated i.e. tool, preform, natural etc. Oh and #5 seems interesting too. It appears to have a thumb notch maybe?
Thanks

 

[CreekSide]

I see a few preforms

 

[Rockdog]

2, 3, 4 and 6 are possible preforms or maybe scrapers. The rest appear to be natural stone to me.