What is an integer

Topic Notes

In this lesson, we will learn:

  • Understanding Integers
  • Representation of Integers
  • Locating Integers on a Number Line
  • Comparing Integers Using Inequality Symbols

  • Integers include all the whole numbers and their negative selves.
  • Whole numbers: all natural numbers including 0.
  • Natural numbers: 1, 2, 3, …
  • Number line:
    • Can be either vertical or horizontal.
    • Values in between intervals must be constant (not necessarily 1).
    • Numbers increase in value as we move up/right.
  • Inequality symbols:
    • >: greater than
    • <: less than