Divisibility Rules Flashcards
What is the rule for 3?
If the sum of the digits is divisible by 3
What is the rule for 2?
The the last digit is a 0, 2, 4, 6, or 8
What is the rule for 4?
The the last two digits combined are divisible by 4
What is the rule for 5?
If the last digit is a 0 or a 5
What is the rule for 6?
If the number is divisible by BOTH 2 and 3
What is the rule for 9?
If the sum of the digits is divisible by 9
What is the rule for 10?
If the last digit is a 0
If the last digit is even the number is divisible by…
2
If the sum of the digits is divisible by 3 the number is divisible by…
3
If the last two digits combined are divisible by 4 then the number is divisible by…
4
If the last digit is a 5 or a 0, then the number is divisible by…
5
If the number is divisible by both 2 and 3, then the number is divisible by…
6
If the sum of the digits is divisible by 9 then the number is divisible by…
9
If the last digit is a 0, then the number is divisible by…
10