Is it As and Bs or A's and B's?
Herein, is it straight as or straight A's?
straight As. the apostrophe is possessive, not plural. Tell that to the Oakland A's.
Likewise, how do you write the plural of letter grades? As per the article: In paragraph 7.60 on page 367, the Manual states that academic grade letters are usually capitalized and not italicized. This paragraph also says, "No apostrophe is required in the plural." Here are some good examples: My daughter had all As on her last report card.
Consequently, why is there an apostrophe in A's?
Why do the Oakland Athletics use an apostrophe in the Oakland "A's"? When writing a single letter it is proper to use an apostrophe followed by an 's' to indicate plurals. So when "Athletic" is abbreviated to "A", it's plural form is in fact "A's".
What is the plural of the letter A?
Use an apostrophe and an –s to form the plural of all lowercase letters and the capital letters A, I, M, and U.