Even numbers can be divided into two equal groups and end in 0, 2, 4, 6, or 8. Odd numbers cannot be divided into two equal groups and end in 1, 3, 5, 7, or 9. The document provides examples of adding even and odd numbers and multiplying numbers by other numbers to determine if the resulting number is even or odd.

2. An even number is a number
that can be divided into two
equal groups.
Even numbers end in 2, 4, 6, 8
regardless of how many digits they
and 0have (we know the number
5,917,624 is even because it ends in
a 4!).

3. An odd number is a number
that cannot be divided into
two equal groups.
Odd numbers end in 1, 3,
5, 7, 9.

4. An odd number is a number
that cannot be divided into
two equal groups.
Odd numbers end in 1, 3,
5, 7, 9.
5,372,853

5. 7+4= 11
8+7= 15
21+25= 46 – Even
45+23=
74+12=
81+22=

6. 3x8=
12x2=
4x9=
123x2= 246 – Even
number

7. Odd Numbers