Divisibility Rules

Divisibility Rules

Topic:

​A number is divisible by...

• 2 if the last digit is even or 0

• 3 if the sum of the digits is divisible by 3

• 5 if the last digit is 5 or 0

• 6 if the number is divisible by both 2 and 3

• 9 if the sum of the digits is divisible by 9

• 10 if the last digit is 0

• Bonus

• 4 if the last two digits are divisible by 4

• 8 if the last three digits are divisible by 8

​What is an Even Number?

​

Even numbers are those numbers that can be divided into two equal groups or pairs and are exactly divisible by 2.

For example, 2, 4, 6, 8, 10, and so on

Multiple Choice

Which is even

• 1234

• 167

• 135

• 5

​What is an Odd Number?

​Odd numbers are basically numbers that cannot be categorized into groups of two each.

​

For example: 1, 3, 5, 7, etc.

Multiple Choice

Which is odd

• 1234

• 167

• 150

• 8

Fill in the Blanks

List all even numbers between 10 and 20 in ascending order

Fill in the Blanks

List all odd numbers between 10 and 20 in ascending order

Multiple Choice

Which is divisible by 2

• 125

• 301

• 9

• 1596

Multiple Choice

Which is divisible by 3

• 1433

• 1123

• 143

• 153

Multiple Choice

Which is divisible by 5

• 920

• 51

• 23

• 32

Multiple Choice

Which is divisible by 6

• 89

• 24

• 56

• 9

Multiple Choice

Which is divisible by 9

• 54

• 145

• 91

• 199

Multiple Choice

Which is divisible by 10

• 901

• 89

• 8990

• 245