Introduction to Odd and Even Numbers

The video tutorial introduces the concepts of odd and even numbers. Even numbers can be divided into two equal groups, while odd numbers cannot. Examples of even numbers include 2, 4, 6, 8, 10, and 12, and examples of odd numbers include 1, 3, 5, 7, 9, and 11. The video also includes practice questions to help students identify odd and even numbers, such as determining whether 14, 7, 20, and 13 are odd or even.

Which of the following numbers is an even number?

• 3

• 11

• 5

• 8

What characteristic defines an odd number?

• It can be divided into two equal groups.

• It cannot be divided into two equal groups.

• It is always less than 10.

• It is always greater than 10.

Which of these numbers is an odd number?

• 9

• 6

• 4

• 2

Is the number 14 odd or even?

• Neither

• Even

• Odd

• Both

Which number can be divided into two equal groups of 10?

• 15

• 25

• 30

• 20