What is another word for borrowing in a subtraction problem?

There isn't a single perfect synonym for "borrowing" in a subtraction problem. However, depending on the context, you could use:

* Regrouping: This is the most common and accurate term, as it accurately describes the process of rearranging the numbers to make subtraction easier.

* Trading: This term emphasizes the exchange of value from one place value to another.

* Decomposition: This term highlights the breaking down of a number into smaller parts.

* Exchanging: Similar to "trading," this term emphasizes the act of swapping one value for another.

The best word to use depends on the specific situation and your intended audience.