Profile Fredericka Henderson State: Virginia City: Virginia Beach Zip Code: 23462 Are you currently teaching? : Yes How many years have you been teaching?: 20 United States "Sharpie markers" Enjoy teaching and learning new things with and from my students. Last activity: on 21/07/2015 Joined: on 21/07/2015 Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.