Lesson 5 of 9 • 12 upvotes • 5:37mins

Among all shortcut methods this is the most widely used method.This method increases your calculation speed.
9 lessons • 1h 18m
Multiplication of Even Number with Multiple of 5
7:18mins
Square of a Number: Multiple of 5
13:01mins
Square of a Number: Base - 100
9:25mins
Multiplication of a Number in 90's
10:02mins
Square of a 2 Digit Number
5:37mins
Multiplication of a Number: Base 100
7:08mins
Square Root: Part - 1
10:01mins
Square Root: Part - 2
6:53mins
Cube Root
8:45mins