 is the most common in the US. However several other acronyms are used. Here are a few examples:

Solve math problems, activities and exercises related to "How Do You Solve Problems with Addition and Subtraction, Multiplication and Division, Exponents, Square Roots and Parentheses?".

The operation of removing objects from a collection

Splitting a number of items equally into groups

The part of a power showing how many times the base is multiplied by itself

A number to multiply by itself to get the number underneath the square root symbol