(1.4) Subtraction Without Borrowing, When the Last Digit is 9
Channel: MathVentures
Date: 29/07/2009

When the last digit, the list significant one, of the minuend is 9, you may think that things may be different because later we have to add 1 to it. But, as this example demonstrates, everything proceeds as usual with a simple carryover.

Note: For those who cannot access YouTube, this video is available at TeacherTube -- http://www.teachertube.com/members/viewVideo.php?video_id=144293&title=_1_4__Subtraction_Without_Borrowing__When_the_Last