come on kids·3d agoNobody Tells You There’s No Deadline for Vedic MathsIt started with one of those reels. A nine-year-old on stage, multiplying two three-digit numbers in her head faster than the host could…
Ashmittalwar·Oct 21Formula for Calculating the Sum of the Nth Block of 10 Natural NumbersA simple algebraic shortcut (100n — 45) to instantly sum consecutive groups of ten numbers using a block index.
Mental Math Matters·Oct 12How to Multiply in Your Head: Start With the Big PartLong multiplication starts at the wrong end for a brain. Here is how to multiply large numbers mentally, left to right, so the answer…
Mental Math Matters·Sep 1How to Do Percentages in Your HeadYou can calculate almost any percentage in your head with one anchor and two moves. Here is the anchor, and the place where the method…
Mental Math Matters·Aug 9Why Mental Math MattersEvery reason I was given as a kid turned out to be wrong. Here is the one that holds up.
