List the numbers in a column and always start adding with the ones first. Estimate first and check afterwards - it's a good idea to estimate a rough answer first and then check your actual answer.

List the numbers in a column and always start adding with the ones first. Estimate first and check afterwards - it's a good idea to estimate a rough answer first and then check your actual answer.

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.