Magic Addition Trick: Predicting Sum of a series of 5-digit numbers

Ask someone to write a number, say a 5-digit number. (Can be a 2-digit.....3-digit.....4-digit....etc...…). Suppose the number written... Read more »

Leapfrog Addition of Fibonacci sequence and the Golden (Ratio) prediction

This trick combines a quick mental calculation with an astonishing prediction. The Fibonacci sequence is a series of whole numbers in... Read more »

Digital Root or Digital Sum of a Number and its significance

The word Digit means the single figure number; the numbers from 1 to 9 and zero. In mathematics, the digit sum of a given integer is the s... Read more »

Speed Addition: Left to Right Approach

Most of us are taught to do math on paper from right to left. And that's fine for doing math on paper. But if we want to do math in ou... Read more »