What is an integer?  Numbers and Relations
What is an integer?
Lessons
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

Intro Lesson
Introduction to What Is an Integer?

1.
Representation of Integers
Find an integer for each of the following scenarios.

2.
Understanding Integers
True or False.

3.
Locating Integers on a Number Line
Fill in the missing numbers for each of the following number lines.

4.
Comparing Integers Using Inequality Symbols
For each pair of integers below:
i. Locate them on a number line
ii. Write the correct inequality symbol (< or >) in each box.