Spell out a number—or the word number—when it occurs at the beginning of a sentence, as well as any related numbers that closely follow it:
Where this would result in a cumbersome construction, recast the sentence. The first sentence above could be rewritten as
To avoid starting with a number, it may be possible to end the preceding sentence with a semicolon or to punctuate in some other manner. Instead of writing
you could insert a semicolon after past or write ". . . in the past, and 1994 . . . ."
In accordance with 5.10 Quantities and measures, a number followed by a unit of measurement may have to be written in numerals. Thus, to avoid using numerals at the start of a sentence, rewrite
as
not
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Ayuda a la redacción – The Canadian Style
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