Showing posts with label middle_zero. Show all posts
Showing posts with label middle_zero. Show all posts

Thursday, October 3, 2013

Subtracting With A Middle Zero

Today we reviewed how to subtract 3-digit and 4-digit numbers. Normally, we just borrow from the place value position to the left. However, today there was a zero and we couldn't borrow!


Here is a video showing one strategy for subtracting when the neighbor is a zero.

How did it work for you?

Did you find any problems where there were TWO zeros?
What did you do?