## Digit Sum

What is a digit? “Digit” is derived from Latin word digitus meaning ‘finger, toe’. Digit means any numeral below 10, i.e. 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. And “Sum” means to add. A “Digit Sum” is the sum of all of the digits of a number, and is found by adding allContinue reading “Digit Sum”

## Splitting

Quick calculations can be performed more easily if the numbers are split into more “manageable parts”. The best part of Splitting is that it helps us do the calculations mentally and can be applied to Addition, Subtraction, Multiplication and Division. What is important in Splitting is to find the correct place to split so asContinue reading “Splitting”

## Divisibility Check

Division is opposite of multiplication, and is repeated subtraction. There is a unique pattern in division, that will help you to find whether any number is divisible by 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12 or so on. In this topic, we are going to learn how to check ifContinue reading “Divisibility Check”