1. Divisibility Rules Divisible by: If: Example: 2
It is an even number (2,4,6,8…)
128 3
The sum of the digits is divisible by 3
381 4
The last 2 digits are divisible by 4
1312 5
The last digit is 0 or 5
175 6
The number is divisible by both 2 and 3
114 8
The number in the last two digits is divisible by 8
564 9
The sum of the digits is divisible by 9 81 10
The number ends in 0
220

2. Divisibility Rules Divisibility Rules
Divisible by:
If:
Example: 2
It is an even number (2,4,6,8…)
128 3
The sum of the digits is divisible by 3
381 4
The last 2 digits are divisible by 4
1312 5
The last digit is 0 or 5
175 6
The number is divisible by both 2 and 3
114 8
The number in the last two digits is divisible by 8
564 9
The sum of the digits is divisible by 9 81 10
The number ends in 0
220
Divisibility Rules
Divisible by:
If:
Example: 2
It is an even number (2,4,6,8…)
128 3
The sum of the digits is divisible by 3
381 4
The last 2 digits are divisible by 4
1312 5
The last digit is 0 or 5
175 6
The number is divisible by both 2 and 3
114 8
The number in the last two digits is divisible by 8
564 9
The sum of the digits is divisible by 9 81 10
The number ends in 0
220

3. Divisibility Rules Divisible by: If: Example: 2 3 4 5 6 9 10
Name: ________________
Divisibility Rules
Divisible by:
If:
Example: 2 3 4 5 6 9 10

4. Divisibility Rules Practice
Name: ________________
Divisibility Rules Practice
Choose the best answer.
is divisible by:
is divisible by:
2, 3, and 9
2, 4, and 5
6 and 9
3 and 9
2, 5, and 10
2, 6, and 10
6 and 10
3 and 5
3. Write a number that is divisible by 5, but not divisible by 10.
4. Write a 3-digit number that is divisible by 6.
5. Using the divisibility rules, how do you know that the number 11,485 not divisible by 3?
6. There are 28 students in our class. Ms. Foster needs to divide the class into equal groups for a project. She can make…(circle the ones that work)
1 group
2 groups
3 groups
4 groups
5 groups
9 groups