Divisibility Rules

Total Flash Cards » 8
 
1. 

Divisibility Rule for 2

 

Any even number (a number ending in 0, 2, 4, 6, or 8) can be divided evenly by 2.

 
2. 

Divisibility Rule for 10

 

Any number that ends in 0 can be divided evenly by 10.

 
3. 

Divisibility Rule for 5

 

Any number that ends in 0 or 5 can be divided evenly by 5.

 
4. 

Divisibility Rule for 4

 

If the last TWO digits can be divided evenly by 4, then so can the entire number.

 
5. 

Divisibility Rule for 8

 

If the last THREE digits can be divided evenly by 8, then so can the entire number.

 
6. 

Divisibility Rule for 3

 

Add up the digits of the number. If that sum can be divided evenly by 3, then so can the entire number.

 
7. 

Divisibility Rule for 9

 

Add up the digits of the number. If that sum can be divided evenly by 9, then so can the entire number.

 
8. 

Divisibility Rule for 6

 

If the number is even and if the sum of the digits can be divided evenly by 3, then the entire number can be divided evenly by 6.