Lesson 3 of 10 • 14 upvotes • 6:25mins
In this lesson, the concept of instant subtraction is taught. The subtraction formula of "All from 9 and the last from 10" is used to show how this method works. Many examples are given to have a better understanding of the subtraction. Hence, this lesson teaches about the uses of multiples of 100, 1000 and so on. There is also an overview of how to subtract by using numbers like 500, 6000 and 7000 in mathematical problems which help in getting the answer quickly and efficiently without much hassle.
10 lessons • 1h 11m
Easy Tricks Of Multiplication By 11
7:07mins
Easy Tricks Of Multiplication By 111, 1111, 11111...
9:09mins
Instant Subtraction Quick Tricks From Multiples Of 100...
6:25mins
Multiplication Of The Numbers Near The Base 10^n
6:16mins
Quick Tricks For Square Of 2 Digits Number
6:35mins
Quick Tricks Square Of 3 Digits Number
5:46mins
Special Multiplication Of 2 & 3 Digit Numbers
8:18mins
Direct Multiplication Of 2, 3 And 4 Digit Numbers
8:29mins
Square Root Of A Perfect Square Number
6:31mins
Easy Multiplication By 9's
6:40mins