Divisibility Rules

Front

What is the divisibility rule for 2?

Back

The last digit is even.

Front

What is the divisibility rule for 3?

Back

The sum of the digits is divisible by 3.

Front

What is the divisibility rule for 4?

Back

The last two digits form a number divisible by 4.

Front

What is the divisibility rule for 5?

Back

The last digit is five or zero.

Front

What is the divisibility rule for 6?

Back

The number is divisible by both 2 and 3.

Front

What is the divisibility rule for 9?

Back

The sum of the digits is divisible by 9.

Front

What is the divisibility rule for 10?

Back

The last digit is zero.

Front

If a number is divisible by 2, what can we say about its last digit?

Back

The last digit is even.

Front

If a number is divisible by 3, what can we say about the sum of its digits?

Back

The sum of the digits is divisible by 3.

Front

If a number is divisible by 4, what can we say about its last two digits?

Back

The last two digits form a number that is divisible by 4.