Amusing Math Puzzles – Get 430 Brain Teasers to Exercise Your Brain

And here we finish off the group… Duration : 0:7:15 addthis_url = ‘http%3A%2F%2Fwww.amusingmathpuzzles.com%2Fmath-is-fun%2Fre-fun-with-math’; addthis_title = ‘Re%3A+Fun+With+Math’; addthis_pub = ”; Technorati Tags: division, fun, math, seven, sucks

Here I try and break down the different quick techniques for breaking down large numbers and checking for divisibility. I screwed up with the numbers I was saying versus what was on the screen when I got to 9, but the screen is right. The screen is ALWAYS right. Duration : 0:10:27 addthis_url = ‘http%3A%2F%2Fwww.amusingmathpuzzles.com%2Fmath-is-fun%2Ffun-with-math’; [...]