Squaring Numbers: CRISS-CROSS or Rainbow Method

Squaring any number mentally using the Criss-cross or Rainbow method is actually very fast and interesting to calculate. Squaring a 2... Read more »

Squaring Numbers: UP-DOWN Method

With this method, you will be able to square any number irrespective of digit’s value, place or number very quickly. With a little practi... Read more »

Squaring numbers close to multiples of base 10, 100, 1000 and so on

To square numbers close to the base of multiples of 10, 100, 1000 and so on follow the steps below: Step-1:     Find the surplus or de... Read more »