Tricks for finding cubes

 CUBE TRICKS

Step 1

  

If it is a two digit number for example 13 take tens unit as b and ones unit as a and write in the form of

Step 2

Calculate the above values.

Step 3

Double a2b and ab2 and write it below respectively.

 

Step 4

Add them.

 

Step 5

Take carry as shown in picture above.

Example

                                                               

You might think that this is not shortcut but believe me friends follow the tips that I mentioned 

in above page and then you will find that these steps are indeed shortcut. You will able to do faster.

USES OF THIS METHOD 

1) You can use this method in finding compound interest.

2) You can also use this method in finding volumes like volume of cube, volume of sphere etc.