The Vedic Mathematics Sutra or word formula “Transpose and Apply” has a much wider application than the “transposition” which we know in Algebra as a short cut of the “golden rule’ of Algebra: do unto one side of the equation,…
The Duplex is an important device in squaring numbers and polynomials, extracting square roots and solving quadratic equations. Its principles can be extended into triplex and beyond. The duplex of a number with an even number of digits is twice the sum…
Our 25th Math Special for Christmas is not of Vedic Math origin but it definitely adheres to the Vedic ideal of “at-sight-one-line-mental-solution”. I learned this technique from the video lessons of James Tanton, the resident mathematician at the Mathematical Association of…
Our 24th Math Special for Christmas is about the use of vertically and crosswise in a topic which many elementary students would want to avoid. Vertically and crosswise is one of the Sutras with the widest range of applications. I…
Our 23rd Math Special for Christmas is also one of my favorites. I originally titled it the “See Saw Solution” the reason for which will be clear later. We use it to mentally solve not only average speed problems, but also combination and…
Our Math Special for today is the other half of “Using the average”. This time we will start with the difference of two squares or DOTS: a2 – b2 = (a + b) (a – b). In his book, Vedic Mathematics, Sri Bharati…
I came across a YouTube video “A Different Way To Solve Quadratic Equations” at https://www.youtube.com/watch?v=ZBalWWHYFQc) published on Dec 12, 2019 by Po-Shen Loh, a Carnegie Mellon Math Professor and current USA Math Olympiad coach. The “Po-Shen Loh” method as it came…
If you were asked how many numbers are there from 26 to 89, would you try to recall the formula taught to us in grade school or would you actually count it? Today’s Math Special for Christmas deals with an…
If you were asked how many numbers are there from 26 to 89, would you try to recall the formula taught to us in grade school or would you actually count it? Today’s Math Special for Christmas deals with an…
Our Math Special for today is one of my favorites because of its numerous applications. I first wrote about using the “Product of the Sums is the Sum of the Product (PSSP)” in my book “Algebra Made Easy as Arithmetic”…