• Mr. Johnson

    High School - room 108

    email:  djohnson@ldsd.org 


    About Mr. Johnson:  In 2004, I graduated from West Chester East High School.  I  went to Penn State University and earned a Mathematics degree with a focus on education.  I have since earned my Masters Degree through Penn State Harriburg. 

    My Math Help YouTube Channel can be found here: Math Help YouTube
    The Channel is primarily focused for Algebra I but I will occasionally add videos to other classes for various topics.  There are also some Algebra 2 help videos as well.
    AP Calculus Students please click on the AP Calc page for more information. 
    Here is an Expected Value Calculator for anyone studying this topic.