Divisibility

Front

What is divisibility?

Back

Divisibility is the ability of one number to be divided by another number without leaving a remainder.

Front

Is 81 divisible by 3?

Back

Yes, 81 is divisible by 3.

Front

Is 81 divisible by 9?

Back

Yes, 81 is divisible by 9.

Front

What are the numbers that 36 and 72 are both divisible by?

Back

36 and 72 are both divisible by 3, 6, and 9.

Front

Which of the following is an even number: 1, 9, 4, 5?

Back

4 is an even number.

Front

Is 64 divisible by 2?

Back

Yes, 64 is divisible by 2.

Front

What is the divisibility rule for 5?

Back

The last digit needs to be a 5 or 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

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 10?

Back

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