In general, we do this with numbers below 10.
What is spell them out?
Doctor, Governor, Lieutenant Governor, Senator, and Representative.
What are titles that are abbreviated before a person's name?
When seasons (spring, autumn, etc.) should be capitalized
When is never?
In general, we do this with numbers 10 or above.
What is use numerals?
Street, avenue, and boulevard.
What are terms that should be abbreviated with a numbered address?
When general occupations (like nurse or farmer) should be capitalized
When is never?
These include times of day, percentages, ages, units of measurement, money, and odds.
What are exceptions to the general number rule?
January, February, August, September, October, November, and December.
Points on a compass are only capitalized when they're being used to indicate these.
What are specific geographic areas? (Example: the Southeast, the Midwest, etc.)