Even and Odd

Front

What is an even number?

Back

An even number is an integer that is exactly divisible by 2, meaning it can be expressed in the form 2n, where n is an integer.

Front

What is an odd number?

Back

An odd number is an integer that is not divisible by 2, meaning it can be expressed in the form 2n + 1, where n is an integer.

Front

What is the sum of two even numbers?

Back

The sum of two even numbers is always even.

Front

What is the sum of two odd numbers?

Back

The sum of two odd numbers is always even.

Front

What is the sum of an even number and an odd number?

Back

The sum of an even number and an odd number is always odd.

Front

How can you determine if a number is even or odd?

Back

A number is even if it ends in 0, 2, 4, 6, or 8. A number is odd if it ends in 1, 3, 5, 7, or 9.

Front

Is the number 0 even or odd?

Back

0 is considered an even number.

Front

What is the smallest even number?

Back

The smallest even number is 0.

Front

What is the smallest odd number?

Back

The smallest odd number is 1.

Front

If you have 27 students in a class, how can you determine if the number is even or odd?

Back

You can determine that 27 is odd because it is not divisible by 2.