[
  "The digits after the decimal point each have a place value: tenths, hundredths, thousandths.",
  "In 28.391: the digit 9 is in the second decimal place (hundredths). The digit 3 is in the first decimal place (tenths). The digit 1 is in the third decimal place (thousandths).",
  "Value of a digit = digit x place value. Hundredths = digit/100, tenths = digit/10, thousandths = digit/1000."
]