Divisibility Rules

Front

What is the divisibility rule for 9?

Back

Add the digits together. If the sum is divisible by 9, the original number is divisible by 9.

Front

Is 60,714 divisible by 3?

Back

Yes

Front

Which of the following numbers is NOT divisible by 5: 75,395, 984,940, 222,222,235, 8,943,892?

Back

8,943,892

Front

Which of the following numbers is NOT divisible by 4: 1000, 1566, 5740, 2024?

Back

1566

Front

105 is NOT divisible by which number: 1, 2, 3, 5?

Back

2

Front

What is the divisibility rule for 5?

Back

A number is divisible by 5 if it ends in 0 or 5.

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

What is the divisibility rule for 2?

Back

A number is divisible by 2 if it is an even number (ends in 0, 2, 4, 6, or 8).

Front

Is 48 divisible by 6?

Back

Yes, because 48 is divisible by both 2 and 3.

Front

Is 100 divisible by 10?

Back

Yes, because it ends in 0.