Integers

My Definition

Key Characteristics

The following are true of integers:

- The set of integers includes counting numbers, their opposites, and zero.
- The set of integers is

{0, 1, ‒1, 2, ‒2, 3, ‒3, . . . } or

{. . ., –3, –2, –1, 0, 1, 2, 3, . . . }. - The positive integers are to the right of zero, and negative integers are to the left of zero on a horizontal number line.
- The positive integers are above zero, and the negative integers are below zero on a vertical number line.

Example

Non-example

2.5

2.5 is not an integer. It is both a rational number and a real number. The number 2.5 is not a member of the set

{. . ., -3, -2, -1, 0, 1, 2, 3, . . . }.

TEKS: 6(2)(A), 8(2)(A)