4th Grade Math - Divisibility Rules

Is 2,116 divisible by 8?

No

Is 260 divisible by 6?

No

Is 417 divisible by 4?

No

Is 525 divisible by 10?

No

Is 886 divisible by 2?

No

10's Divisibility Rule

The last digit is 0 Example: 3,460

5's Divisibility Rule

The last digit is 0 or 5 Example: 65

8's Divisibility Rule

The last three digits are divisible by 8 Example: 7416

4's Divisibility Rule

The last two digits are divisible by 4 Example: 1,332

2's Divisibility Rule

The number is even - Last digit is 0, 2, 4, 6, 8 Example: 36

6's Divisibility Rule

The number is even and divisible by 3 Example: 72 (follow rules 2 and 3) 72 (even) 72 - 7 + 2 = 9 (sum is divisible by 3)

3's Divisibility Rule

The sum of the digits is divisible by 3 Example: 63 - 6 + 3 = 9

9's Divisibility Rule

The sum of the digits is divisible by 9 Example: 261 - 2 + 6 + 1 = 9

Is 525 divisible by 3?

Yes

Is 810 divisible by 9?

Yes

Is 995 divisible by 5?

Yes

Use your divisibility rules for 2, 3, 4, 5, 6, 8, 9 and 10 List all of the numbers that 3,420 is divisible by.

2, 3, 4, 5, 6, 9, 10

Use your divisibility rules for 2, 3, 4, 5, 6, 8, 9 and 10 List all of the numbers that 5,000 is divisible by.

2, 4, 5, 10

Use your divisibility rules for 2, 3, 4, 5, 6, 8, 9 and 10 List all of the numbers that 1,216 is divisible by.

2, 4, 8

Use your divisibility rules for 2, 3, 4, 5, 6, 8, 9 and 10 List all of the numbers that 6,003 is divisible by.

3, 9