Editing Subtraction (section)

====Same change====
The same change method uses the fact that adding or subtracting the same number from the minuend and subtrahend does not change the answer. One simply adds the amount needed to get zeros in the subtrahend.<ref>[https://sites.google.com/a/oswego308.org/msimester/home/math/algorithms/subtraction The Many Ways of Arithmetic in UCSMP Everyday Mathematics] Subtraction: Same Change Rule</ref>

Example:

"1234 − 567 =" can be solved as follows:
* {{nowrap|1=1234 − 567 = 1237 − 570 =}} {{nowrap|1=1267 − 600 = 667}}