The arm and chest muscles tend to reach failure much quicker than the leg muscles, so hitting a 10 rep max is tricky. If you fail at rep 7 or 8, you’ve just expended a lot of energy and will need to drop a significant amount of weight off the bar. Make smaller jumps as you’re progressing and be conservative with your first attempt at a 10 rep max.
The metcon is a simple couplet of deadlifts and push-ups. You may need to scale the number of push-ups per round.

Strength

10RM Bench press

Conditioning

5 rounds for time:
10 deadlifts, 225/155#
25 push-ups