Division Rules Flashcards
1
Q
How do you know if a number is divisible by 2?
A
If the number’s last digit is divisible by 2.
2
Q
How do you know if a number is divisible by 5?
A
If the number’s last digit is 0 or 5.
3
Q
How do you know if a number is divisible by 10?
A
If the number’s last digit is 0.
4
Q
How do you know if a number is divisible by 4?
A
If the number formed by its last two digits is divisible by 4.
5
Q
How do you know if a number is divisible by 8?
A
If the number formed by its last three digits are divisible by 8.
6
Q
How do you know if a number is divisible by 9?
A
If the sum of the number’s digits is divisible by 9.
7
Q
How do you know if a number is divisible by 3?
A
If the sum of its digits is divisible by 3.
