The document discusses even and odd numbers, noting that even numbers can be divided into two equal groups while odd numbers cannot. It provides examples of even numbers ending in 0, 2, 4, 6, or 8 and odd numbers ending in 1, 3, 5, 7, or 9. The document then asks whether several example numbers are even or odd.

1. Even or odd?

2. Even NumbersEven numbers can be divided evenly into groups of two. The number four can be divided into two groups of two.Even numbers always end with a digit of 0, 2, 4, 6 or 8.For example: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 are even numbers.

3. Odd NumbersOdd numbers can NOT be divided evenly into groups of two. The number five can be divided into two groups of two and one group of one.Odd numbers always end with a digit of 1, 3, 5, 7, or 9.For example: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 are odd number

4. Odd or Even? 9

5. Odd or Even? Odd

6. Odd or Even? 25

7. Odd or Even? Odd

8. Odd or Even? 40

9. Even or Odd? Even