[
  "Separate the decimal into whole ones and extra tenths. Remember: 1 whole = 10 tenths.",
  "3.1 = 2 ones + 1.1 remainder. Convert 1.1 to tenths: 1 whole is 10 tenths, plus the extra 1 tenth.",
  "3.1 = 2 ones and 11 tenths. Answer: 11."
]