MemoryMentor's Blog

In the world of rapid mathematics it can be quite useful to round numbers up when doing calculations.
For example many people would use ? (Pi) rounded to 3, or 3.14 which is all well and good for theoretical purposes, but let’s try it out when calculating the circumference of Mars when a space ship is [...]

This Category has videos that show many maths shortcuts

Speed mathematics is simply amazing. To the uninitiated it’s a great feat of mental power. To those in the know, it’s a series of maths techniques that allow you to pull off some of the most “demanding” of mental calculations.
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Meet Arther Benjamin.
Art performs mental calculations with an apparent instantaneous speed. Of course, he’s using techniques [...]

How to calculate the times tables using only your hands.

In this post we are going to look at how to square any two digit numbers.
[private]Firstly, to square a number means to multiply that number by itself.
So 27² means 27 X 27
When squaring any number we need to either work up or work down from a BASE number. We acknowledge that a base number is [...]

Hi all,
[private]I stumbled across a really neat video on youtube that breaks down multiplying large numbers into smaller chunks.
It’s not my video, someone elses so all credit due to the author.
Grab a piece of paper and give it a try, it really works.

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Learn how to count Binary on your hands with this easy tutorial.

I’ve just created another maths video – this video
demonstrates how to calculate numbers ending in six
squared, like:
76 X 76
It’ll probably take you ten minutes to learn and it’s fun
and really useful too.
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http://www.vedic-maths-ebook.com/6 squared/
If it doesn’t play for you, then I have also made a powerpoint presentation:
http://www.vedic-maths-ebook.com/6%20squared/6_squared.mht (best viewed in Internet Explorer)
Share your comments below.
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Using the multiplication tables is easy. This table will give you all the answers up to 10 X 10.

To multiply 9 X 6 start with the first row of numbers and move across to 9 (highlighted in black).

Next use the column of numbers on the left, and move down to number 6, highlighted in black [...]

Learning the Binary Code System couldn’t be easier with the system you are about to read.
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Typically when trying to convert binary into numbers people refer to a chart of some sort to get their numbers. From now on you will be able to convert numbers into Binary and Binary into numbers [...]