**Divisibility Rules**

File:

**Interactive lesson (Pptx**)

Subject: Mathematics

Lesson: Divisibility Rules

Grade Level: 5-6

**Dividing by 1**:

All numbers are divisible by 1.

**Divisible by 2:**

All even numbers are divisible by 2.

Even numbers are numbers that end with either 2, 4, 6, 8, or 0.

**Divisible by 3:**

Add up the digits of the number.

If that number is divisible by 3, then the original number is.

If your sum is still a big number, continue to add the digits.

Dividing by 4:

Dividing by 4:

If the last 2 digits together are divisible by 4.

Dividing by 5:

Dividing by 5:

If the number ends in 5 or 0.

Dividing by 6:

Dividing by 6:

If the number is divisible by 2 and 3.

**Divisible by 7:**

There is no specific rule. It can be done through manual division.

**Divisible by 8:**

If the last three digits are divisible by 8.

If the number is divisible by 2, then by 2 again, and then by 2 again.

**Divisible by 9;**

The same as dividing by 3.

Add up all the digits.

If that number is divisible by 9 then it is divisible by 9.

**Dividing by 10:**

If the number ends with a 0.

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