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How to Identify Even & Odd Numbers

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  • 0:01 Numbers
  • 1:22 Even Numbers
  • 2:21 Odd Numbers
  • 2:52 Identifying Even & Odd Numbers
  • 3:28 Lesson Summary
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Lesson Transcript
Instructor: Yuanxin (Amy) Yang Alcocer

Amy has a master's degree in secondary education and has taught math at a public charter high school.

In this short lesson, you will learn a bit more about numbers. You will learn what makes a number even, what makes a number odd, and how to identify each.

Numbers

You have 10 dollars. Samantha has 5 markers. Sally has 3 cats. These are all examples of numbers in action. Numbers represent an amount or value of something that we are talking about. So, when we say that you have 10 dollars, it means that you have money that is valued at 10 dollars. When we say that Sally has 3 cats, it means that Sally has cats in the amount of 3. She has not 1, not 2, but 3 cats.

Numbers are very useful for describing amounts like these. Numbers are actually used for a whole lot of things in our world. We use numbers to tell time and for giving addresses. Your house or apartment address includes the number that you need to give to your friends if you want them to be able to find you on your street.

For example, Main Street may run all the way through your town or city. If you don't give the number part of your address, your friends won't know where on Main Street you live. But, if you give the address of 145 Main Street, then your friends can easily find you by looking for the number 145 on Main Street.

All of our numbers can be separated into two groups. It is these two groups that we will be talking about in this lesson. These two groups are the even numbers and the odd numbers. Even numbers are numbers that can be divided by 2. Odd numbers are numbers that cannot be divided by 2. Let's take a closer look at these two groups.

Even Numbers

Even numbers are the numbers that can be split evenly between 2 people. For example, 6 is an even number because if you have 6 hamburgers, you can split these 6 hamburgers evenly between 2 people. How many burgers would each person get? Each person would get 3 hamburgers. Each person got the same number. This is what it means to be even. When split between 2 people, all even numbers will give each person the same amount.

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