## Multiply any 3 digit numbers

In the previous tutorial on multiplication of any 2-digit number, we learnt how to multiply any 2-digit numbers  using criss-cross method of multiplication. In this tutorial,  we will understand a very important mathematical shortcut of multiplying any two 3 digit numbers using the criss-cross multiplication technique. For students preparing … Continue reading

## Multiply any number with 99

In this tutorial, we are going to learn the shortcut how to multiply any number with series of 9’s. You often come across multiplications like 345 x 999, 1234 x 9999 etc. in competitive examinations. Even though such multiplication look difficult  you will realize after practicing this shortcut, you will … Continue reading

## Square of a Number ending in 25

In this tutorial, we will learn how to obtain a square of a number ending in 25. For example, numbers such as 25, 125, 325, 425 etc. You already know the shortcut, how to multiply any number ending with 5. You can use the same shortcut here as well. However, … Continue reading

## How to Square Numbers Ending in 5

This tutorial is the first among the series of tutorials on Mathematical shortcuts. In this tutorial, we are going to learn how to obtain the square of a number ending with 5. For example, numbers such as 25, 35, 95, 115 etc. Lets say, we want to calculate the square of … Continue reading