Mathematics Department



Degrees and Certifications:

B.S. in Mathematics Minor in Psychology

Mrs. Melissa Koestler

This is my fourth year at Vista Ridge High School. I teach Applied Algebra 1 and Geometry, and I love helping students be successful and learn more math throughout the year. If you have any questions, feel free to email me at 

Period 1    Applied Algebra      Google Classroom 

Period 3    Applied Algebra      Google Classroom 

Period 4    Applied Algebra      Google Classroom 

Period 5    Geometry                Google Classroom 

Period 7    Applied Algebra      Google Classroom 

Junior SAT Prep (Pathways co-taught with Mr. Hoffman)    Google Classroom 


2020-2021 Resources

* All resources are on Google Classroom, click on "Classwork" to find everything organized by week

     - Each week has a post "Assignments for the Week" with all pages we will use during the class period

     - Each week has a post "Lesson Videos" with pre-recorded videos for each day's lesson

     - "Course Overview and Resources" (posted below all of the weeks) has the zoom link for the course

* Applied Algebra Edgenuity Schedule (Assignments and Due Dates): 

* Geometry Edgenuity Schedule (Assignments and Due Dates):