1. Number Line: Comparing and Ordering Integers LESSON 1

2. Number Line Origin Positive NumbersNegative Numbers

3. Number Sets Counting Numbers/Natural Numbers: numbers we say ◦{1, 2, 3, 4, 5, …} Whole Numbers: The counting numbers and zero ◦{0, 1, 2, 3, 4, …} Integers: The whole numbers and their opposites ◦{…, -2, -1, 0, 1, 2…}

4. Absolute Value The distance of that number from zero always positive

5. Comparison Symbols Less than Greater than Equal Less than or equal to Greater than or equal to

6. Examples Ex. 3 Graph the numbers in this sequence on a number line. {…, -4, -2, 0, 2, 4…} Ex. 4 Graph two numbers that are 5 units from zero.