Divisibility Rules for 2, 3, 5, 10

Front

What is a divisibility rule?

Back

A rule that helps determine if one number can be divided by another without leaving a remainder.

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 564 divisible by 2?

Back

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

Front

What is the divisibility rule for 3?

Back

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

Front

Is 780 divisible by 3?

Back

Yes, because 7 + 8 + 0 = 15, and 15 is divisible by 3.

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 320 divisible by 5?

Back

Yes, because the last digit is 0.

Front

What is the divisibility rule for 10?

Back

A number is divisible by 10 if its last digit is 0.

Front

Is 740 divisible by 10?

Back

Yes, because the last digit is 0.

Front

Which of these numbers is divisible by 2: 329, 857, 1,033, 564?

Back

564 is divisible by 2.