Divisibility Rules

Front

What is the divisibility rule for 5?

Back

A number is divisible by 5 if its last digit (ones place) is either 0 or 5.

Front

Is 73 divisible by 10?

Back

No, because the last digit is not 0.

Front

How can you determine if a number is divisible by 3?

Back

A number is divisible by 3 if the sum of its digits is divisible by 3.

Front

What is the divisibility rule for 10?

Back

A number is divisible by 10 if its last digit (ones place) is 0.

Front

Is 462 divisible by 3?

Back

Yes, because 4 + 6 + 2 = 12, and 12 is divisible by 3.

Front

What does it mean for a number to be divisible by another number?

Back

A number is divisible by another if dividing them results in a whole number with no remainder.

Front

What is the last digit of a number that indicates it is divisible by 5?

Back

The last digit must be 0 or 5.

Front

If a number ends in 0, what can you say about its divisibility by 10?

Back

It is divisible by 10.

Front

What is the sum of the digits of 462?

Back

4 + 6 + 2 = 12.

Front

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

Back

The sum of its digits must also be divisible by 3.