1. Looking at the time:
    "Ok, it's 6:45. That means 55 minutes until 7. Wait, no, that's tens and hundreds, not 60s. Time is with 60."
  2. Flipping through a book:
    "I'm looking for page 201. Oh here's 150, I'm only 10 pages from 200! WAIT NO THAT'S A SYSTEM OF 60s. THATS TIME. THIS IS TENS AND HUNDREDS"
  3. These things happen to me way too often.