Positive/Negative Number Line Addition Lesson Worksheet

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Positive/Negative Number Line Addition Lesson Worksheet

Lesson 1

Steps for adding numbers on a number line:

1. Starting point is the first number of the problem (marked with a red dot)

2. Adding a negative number to a positive number: move left from the starting point

3. Adding a positive number to a negative number: move right from the starting point

4. Adding a negative number to a negative number: move left from the starting point

5. Adding a positive number to a positive number: move right from the starting point

Problem:

-4+2

Solution Visualize the number line carefully

Step 1:

Solution Start from -4 and move 2 marks right

Step 2:

Solution The number is -2

Step 3: The answer is -2

Complete

Try two practice problems:

3+4

-5+6