1. The 11 Times Trick We all know the trick when multiplying by ten – add 0 to the end of the number, but did you know there is an equally easy trick for multiplying a…
http://www.labinitio.com (nz302.jpg) adapted from http://www.labinitio.com (nz302.jpg) Today’s lecture is brought to you by the letter P. http://www.labinitio.com (nz288.jpg)…