Even & Odd

Front

What is an odd number?

Back

An odd number is a whole number that is not divisible by 2. Examples include 1, 3, 5, 7, and 11.

Front

What is an even number?

Back

An even number is a whole number that is divisible by 2. Examples include 0, 2, 4, 6, and 18.

Front

Is 11 an even number or an odd number?

Back

Odd

Front

Is 18 an even number or an odd number?

Back

Even

Front

What does it mean for a number to have a pair?

Back

A number has a pair if it can be grouped into sets of two without any leftover. Even numbers have pairs.

Front

Which of the following is an even number: 3, 4, 5?

Back

4 is an even number.

Front

Which of the following is an odd number: 2, 7, 10?

Back

7 is an odd number.

Front

How can you tell if a number is even?

Back

A number is even if it ends in 0, 2, 4, 6, or 8.

Front

How can you tell if a number is odd?

Back

A number is odd if it ends in 1, 3, 5, 7, or 9.

Front

What is the sum of two even numbers?

Back

The sum of two even numbers is always even.