Divisibility Rules

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 230 divisible by 10?

Back

Yes, because the last digit is 0.

Front

What is the divisibility rule for 2?

Back

A number is divisible by 2 if its last digit is even (0, 2, 4, 6, or 8).

Front

Is 7,154 divisible by 2?

Back

Yes, because the last digit is 4, which is even.

Front

Is 27 divisible by 2?

Back

No, because the last digit is 7, which is odd.

Front

What is the divisibility rule for 5?

Back

A number is divisible by 5 if its last digit is 0 or 5.

Front

Is 8,425 divisible by 5?

Back

Yes, because the last digit is 5.

Front

What is the significance of the ones place in determining divisibility?

Back

The ones place determines the divisibility of a number by 2, 5, and 10.

Front

Can a number be divisible by 10 and not by 5?

Back

No, if a number is divisible by 10, it is also divisible by 5.

Front

Can a number be divisible by 2 and not by 10?

Back

Yes, a number can be even (divisible by 2) but not end in 0 (not divisible by 10).