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I am sorry, I'd like to be positive and/or constructive. But the "shortcut" you have found is the normal multiplication with its steps mixed. It is not that short.

No problem I noticed that after I posted this. I posted it in the summer when my math skills were low:p. For some reaon I do it faster this way though.

Not just that but I have some real instructables coming up and I wanted to figure out the format/ how to post before I did them. I'm going to try to delete this

There are several ways and methods of doing this (for instance: 52 X 36 = 1872... Done Mentally! etc). But I don't want this to sound negative, just to open a few doors for you. <br/><br/>For me, it would be much easier to multiply 36 x 100 then divide that (3600) in half (1800) and add 2x36 (or 72) to it. <br/><br/>We all think in different ways, and learn in different ways, so being open to a lot of ways to do these problems makes it more certain that you will have a better acceptance of at least ONE methodology presented. <br/>

I think your method only works for that problem.

I normally work out how I will do each problem.....for instance, in my head, to take 59 X 41 I can multiply 41 X 6 easily enough <sub>246</sub>) then add a 0 on the end to get 2460 then subtract a 41 to get 2419 :-) <br/>There are several ways to do it....<br/>

I do it that way too, but if you get one of those problems where there is no apparent shortcut, or you are stuck, this is a good method to fall back on.
I do you method a bit differently though. I divide by the fraction 1/2 (maybe you do this too) so that if I have a different number I can divide by another fraction if needed. Like 1/4 ore 1/10.

yes it doesn't matter which is done first, so whichever is easiest for each individual :-)

"3. Combine the numbers in their appropriate places to form 3254. 3200+54= 3254."<br/><br/>you need to actually say "add two zeros to your second number, THEN add the first." Using your example, i tried 10x11 and it didn't work right. I added 2 zeros and it worked just fine.<br/><br/>Just something to make your math completely fool-proof.<br/>Not being a jerk here, just helping.<br/>good trick though.<br/>

Hey no problem, thanks for the help.