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Adding and Subtracting Integers on a Number Line

Adding and Subtracting Integers on a Number Line

Author: Kenneth Perkins
Description:

Students will learn how to model addition and subtraction of integers on a number line.

Student will watch a video that shows addition of integers on a number line.  While watching the video students will model the problems on their own number lines.  Students will then do the same for subtraction of integers.

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Tutorial

Adding Integers on a Number Line

As you are watching the video write and record the examples shown on the number lines provided in class.

Subtracting Integers on a Number Line

As you watch the video record your answers on the number lines provided in class.

Adding and Subtracting Integers on a Number Line

Directions:  Make a number line model to show the solution for each of the following problems.

 

1.  - 7 + (-3) = ___________

 

 

 

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2.   - 8 + 12 = ___________

 

 

                     <--------------------------------------------------------------------------------------------->

 

 

 

 

3.      13 + (- 17) = _____________

 

               

                     <---------------------------------------------------------------------------------------------->

 

 

 

4.      - 8 - (- 14) = ____________

 

 

                    <--------------------------------------------------------------------------------------------->

 

 

 

5.      -6 - (- 3) = ____________

 

 

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