S1: Numbers: Follow proper standards for writing numbers. Cite the applicable rule. See the following: http://grammar.ccc.commnet.edu/grammar/numbers.htm
Generally, in non-technical writing, spell out numbers that require only one or two words. More than that, use figures.
There were twelve children in the Pruitt family.
James turned sixty-five last summer.
There were exactly 235 termites in that termite tube.
It would take us 1,256,334 years to get to that planet.
Spell out numbers when they are the first word of a sentence. Dates are the exception.
Two hundred thousand soldiers were expected to pass through the port.
2015 was the most exciting year for me.
Use figures when writing units of measurement, dates, percentages, addresses, and scores.
The car came to a stop only 25 millimeters away from the wall.
It was December 4, 1986 when I realized I wanted to move west.
The survey suggests 87% of students want more restaurants on campus.
The strangers moved into 2434 Calabasas Way.
At the end of the game, the score was 154 to 156.