Students will likely come across big numbers, whether GDP or Debt . The difference between a million, a billion and a trillion quickly gets blurry. This article shows what $1 Trillion looks like. Another way to get a feel of the difference is to look in terms of seconds:
1 million seconds is about 11 and 1/2 days.
1 billion seconds is about 32 years.
1 trillion seconds is 31,710 years.