If the numbers are too high or too difficult to subtract in your head, write them down in columns. Separate the numbers into ones, tens, hundreds and thousands. List the numbers in a column and ...

It’s also told in 155 scenes carved in a spiral frieze on a monumental column. In back-to-back wars fought between A.D. 101 and 106, the emperor Trajan mustered tens of thousands of Roman troops ...

The victory of the Roman emperor Trajan over the Dacians in back-to-back wars is carved in numerous scenes that spiral around a 126-foot marble pillar in Rome known as Trajan’s Column.