## Casting out 9s

When I published my book “Algebra Made Easy as Arithmetic”, Ms. Encarnacion Reyes, long time president of the San Pablo City chapter of the Mathematics Teachers Association of the Philippines commented: “I’m so glad that you included the casting out…

## Accreditation of Vedic Math Coaches

For the 2nd MATH-Inic Vedic Mathematics National Challenge, which is scheduled on April 24, 2022, and the 3rd Philippine National Vedic Mathematics Olympiad which will be held on June 5, 2022, we will award a Certificate of Participation as Coach…

## Simplifying Division by Doubling

While I was preparing for the review webinars intended for those who are participating in the national and international Vedic Math Olympiads and for those who are taking the IAVM assessments later this month, I came across this question which…

## Invitation to be an Area Facilitator

February 24, 2022 Dear fellow Vedic Math lover, We would like to invite you to be an Area Facilitator (AF) for the two nationwide Vedic Math competitions this year, namely, the 2nd MATH-Inic Vedic Math National Challenge (2nd MVMNC) on…

## Doubling: Numbers with Big Digits.

Last week we showed how to double numbers when all the digits are small (0, 1, 2, 3, and 4). This week we will explain doubling when numbers contain big digits ( 5, 6, 7, 8 and 9). As we…

## Doubling: Number composed entirely of Small digits

Doubling or adding a number to itself is among the first exercises in advanced addition done by young learners. We can often hear them recite, “One plus one equals two. Two plus two equals four. Four plus four equals eight.…

## Revised Schedule of Vedic Math activities in the Philippines

Last Sept 11, 2021, during the 1st International Vedic Math Olympiad, of the 474 participants from 9 countries, the Philippines won 35 Gold, 70 Silver and 107 Bronze awards which accounts for more than 75% of the total awards given.…

## Subtraction Without Borrowing: Subtraction by Parts.

The third method of avoiding borrowing in subtraction is what I called “Subtraction by Parts” in my book  “25 Math Short Cuts”.  When the value of last few digits of the minuend is slightly smaller than the corresponding figures in…

## Subtraction Without Borrowing: Subtraction by Addition:

In our Math Tip last week, we showed one method of avoiding borrowing in subtraction. This is important not only to facilitate mental calculation but more importantly, it will minimize possible errors due to striking out or rewriting the figures…

## Subtraction without Borrowing: Subtraction by Steps

Subtractions which do not require regroupings or “borrowings” can be easily solved mentally. There are simple techniques which can help us avoid “borrowing. The first of these is what I called “Subtraction by Steps” in my book “25 Math Short…