Ellis showed a subtraction problem, performed both using the traditional regrouping, or borrow-and-carry, algorithm and using an example from the common core. Here’s a screenshot of the two methods.

There are different words you can use for subtraction. You could say '7 take away 3 is 4', '7 subtract 3 equals 4' or '7 minus 3 equals 4'. You could also say 'the difference between 7 and 4 is 3'.

People default to addition when solving puzzles and problems, even when subtraction works better. ... Print; By Sujata Gupta. April 7, 2021 at 11:00 am - More than 2 years ago.