Speed Math Tip: Multiplying by 11

Mathematics has always fascinated me and I’m avid collector of Math tricks and techniques. So I’m delighted to have found out that there are lots and lots of them in YouTube.

Here’s one I found. I’ve actually learned this way back in secondary school but have since forgotten. Having viewed the video from YouTube made me recall it fully and immediately.

Here it is:


My first e-book: STREET MATH


I FINISHED and published my very first e-book on February 15, 2012. Hurray! I am now officially a published author. I could not have done it if I took the traditional publishing route. But thanks to the advent o technology, particularly e-books, wannabe authors like me, can now get published quickly and inexpensively.

More about the merits and exciting prospects of e-book publishing later.

Now back to my first e-book. Actually, e-books (notice the “s”) because I published not one but two e-books simultaneously. You know how it is with me. I always tend to overdo things. That and the compulsion to always be different.


So why math?

First… well it’s a subject I’m quite comfortable with. Wait! I didn’t say I’m good at it. It’s just a subject I think I can talk about with a healthy dose of confidence.

Second… my lovely Nanay is a Math teacher, did you know that? She’s retired now, but prior to retiring she had been teaching math for more than 30 years (she now tutors my kids). I admit to the sentimental aspect of choosing math as the subject of my first published book. I dedicate it to best math teacher I’ve ever known, my mother. Naks! Read more