# Maths game : "is divisible by"

This online calculation game proposes to practice recognizing if a number is divisible by 2, 3, 4, 5, 9, 10, 25, 100. It proposes to review the fundamental criteria of divisibility which will allow to improve the automatisms of calculation, and mental calculation. This site allows you to play online the game of divisibility of a number by another. Criteria divisibility game

## Criteria of divisibility

### Number divisible by 2

A number is divisible by 2 if its last digit is even (it ends with 0,2,4,6,8).

### Number divisible by 3

A number is divisible by 3 if the sum of its digits is a multiple of 3.

### Number divisible by 4

A number is divisible by 4 if its last two digits form a number divisible by 4.

### Number divisible by 5

A number is divisible by 5 if its last digit is 0 or 5.

### Number divisible by 9

A number is divisible by 9 if the sum of its digits is a multiple of 9.

### Number divisible by 10

A number is divisible by 10 if its last digit is a zero.

### Number divisible by 25

A number is divisible by 25 if it ends in 00, 25, 50 or 75.

### Number divisible by 100

A number is divisible by 100 if it ends with 00.

## Principle of the game

The principle of the game is simple, you just have to check that the indicated number is divisible by the proposed number. If you do not manage to find the answer to the game, or if your proposal is incorrect, the solution will be given to you with a reminder of the criterion of divisibility used. The game "is divisible by" is suitable for all audiences. This calculation game can be used in elementary school, students will find it a fun way to strengthen their arithmetic skills.