An even number is a number that is exactly divisible by 2. In other words, when you divide an even number by 2, you will get a whole number as the result with no remainder.

To identify even numbers, you can look at the last digit of the number. If the last digit is 0, 2, 4, 6, or 8, then the number is even. For example, 4, 16, 28, 102, and 1000 are all even numbers.

Here are some examples of even numbers:

- 2
- 10
- 42
- 100
- 888

Some important properties of even numbers include:

- Adding two even numbers always results in an even number.
- Multiplying any number by an even number gives an even number as the result.
- The only even prime number is 2.

Now that you understand even numbers, try solving the following practice problems:

- Determine whether the following numbers are even: 16, 33, 50, 77, 92.
- Find the sum of the first five even numbers.

Even numbers play an important role in mathematics and have several interesting properties. Understanding even numbers will help you in various mathematical operations and concepts.

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Perimeter Worksheet/Answer key

Perimeter Worksheet/Answer key

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Geometry (NCTM)

Analyze characteristics and properties of two- and three-dimensional geometric shapes and develop mathematical arguments about geometric relationships.

Identify, compare, and analyze attributes of two- and three-dimensional shapes and develop vocabulary to describe the attributes.

Use visualization, spatial reasoning, and geometric modeling to solve problems.

Use geometric models to solve problems in other areas of mathematics, such as number and measurement.