They still have a few weeks: The change will take place at midnight March 20 ... comes from ICE’s poor management of the seven-digit system, especially from its reserving all numbers starting with “8” ...

Test out your knowledge of adding 3-digit ... 3 = 8, then you know that 325 + 3 = 328. With practice, breaking numbers down into hundreds, tens and ones can make addition easier. Using place ...