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Skilled at Making Math Make Sense from 8th Grade to Grad School
Warren K.

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About Warren


Bio

With three degrees in Math, including a PhD, I have a vast content knowledge of math that should cover pretty much any math course a student might take. In college I majored in Math (51 semester hours) with a Minor in physics (21 semester hours), graduating summa cum laude.

Of course, there's a lot more to teaching and tutoring that just being an expert in the content. My teaching career has spanned more than 25 years, and includes middle school, high school, college, and graduate level...

With three degrees in Math, including a PhD, I have a vast content knowledge of math that should cover pretty much any math course a student might take. In college I majored in Math (51 semester hours) with a Minor in physics (21 semester hours), graduating summa cum laude.

Of course, there's a lot more to teaching and tutoring that just being an expert in the content. My teaching career has spanned more than 25 years, and includes middle school, high school, college, and graduate level courses in Math and Math Education. In that time I also worked as a professional developer for secondary math teachers, leading teachers to strengthen their working knowledge of math content and teaching.

As a tutor and teacher I work to make Math as concrete as possible. My focus as a college professor was Math Education, particularly the mathematical preparation of future elementary and secondary school teachers. This required me to design courses heavy in the effective use of concrete models in math teaching. This has influenced my teaching at all levels, especially with students who are lost when material is introduced with too much abstraction. With online instruction during Covid lockdown I found I could use virtual manipulatives, along with concrete materials and a webcam, to achieve a similar impact. I meet students wherever they are on the concrete-to-abstract continuum.

In the classroom I have never been a teacher who stays put. I can best evaluate students' understanding by moving around and working with students, leveraging the power of individual tutoring in the classroom setting.

Students for years have given feedback that validates how I approach working with them. Here's a sampling from notes I received from students in my recent secondary classes:

"Learning Algebra was super easy because of you!!"

"Thank you for motivating and believing in me. I will cherish that."

"You're one of the best teachers I've ever had!"

"Thank you for teaching me math for the real world."


Education

Texas Tech University
Mathematics
University of Wisconsin-Madison
Masters
University of Wisconsin-Madison
PhD
  • Licensed teacher

Policies

  • Hourly Rate: $70
  • Rate details: The posted rate is an average--specific course-dependent rates will apply based on your needs, and how many sessions you desire.
  • Lesson cancellation: 24 hours notice required
  • Background check passed on 9/15/2026

  • Your first lesson is backed by our Good Fit Guarantee

Schedule

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Approved Subjects

Algebra 1

Algebra 1

I've taught Developmental Algebra and College Algebra at universities, and Algebra 1 to honors middle school and on-level high school students. My range of tutoring experience in Algebra 1 ranges from working with students struggling to pass their state assessment or meet a general education degree requirement, to supporting middle school students who want to test out of the course through credit-by-examination. Finally, I have worked with students struggling in other classes (e.g. Chemistry, Physics, Business Math) who just need to rebuild their prior proficiency after years away from math.
Algebra 2

Algebra 2

I've taught Algebra from the level of Algebra 1 through Precalculus at the high school level, and on to College Algebra. It's foundational to all math and most science courses. My range of tutoring experience in Algebra 2 ranges from working with students struggling to pass their high school or meet a general education degree requirement, to supporting middle school students who want to test out of the course through credit-by-examination. Finally, I have worked with students struggling in other classes (e.g. Chemistry, Physics, Business Math) who just need to rebuild their prior proficiency after years away from math.
Calculus

Calculus

I've taught the entire calculus sequence many times, in both high school (AP) and university settings. My students have gone on to complete degrees and work in diverse fields, including medicine, finance, education, sciences, and various engineering fields.
Geometry

Geometry

Geometry in 10th grade was, for me, the class that showed me what math could be. It continues to be among my favorite math subjects to teach and tutor. I first taught Geometry to math majors at the college junior level, and later in a much more sophisticated version at the graduate level. Since moving to secondary teaching I have taught high school Geometry several times.
Linear Algebra

Linear Algebra

My dissertation area was Lie Algebras, which is an area of Linear Algebra that requires solid proficiency at the graduate level. After grad school I taught Linear Algebra many times, at several universities. Two of my universities had masters degree programs in mathematics, and I taught graduate courses in Linear Algebra in both programs. I have also tutored many students in a variety of majors who needed to understand Linear Algebra, and directed one student in his masters thesis in Linear Algebra-based techniques in Cryptography.
Prealgebra

Prealgebra

My specialty before becoming a secondary math teacher was preparing future math teachers in their undergraduate degree. I have taught Prealgebra (Math 8 in Texas) to many students, as well as all of the courses that follow it. I know what you need for the course, and how it fits in to what you will face over the next several years of math.
Precalculus

Precalculus

I have taught Precalculus many times at both the high school and university level, tutoring in both settings. Because I've taught the entire university Calculus sequence (and AP Calculus at high school) I am able to address the course topics from the viewpoint of knowing where they lead. My goal is to have Precalculus be the strong bridge from the "toolbox" background of Algebra to the abstract function focus of Calculus.
STAAR

STAAR

I've taught 8th grade math and Algebra 1 multiple times in Texas public schools. The Algebra 1 EOC is the only math STAAR test required for high school graduation in Texas, and I've guided hundreds of students to success on it. Math 8 is the course that lays the foundation for Algebra 1. Higher mastery levels on it are make Algebra 1 less of a barrier.
Trigonometry

Trigonometry

I've taught Trigonometry as a stand-alone course in grad school. Also in grad school I worked in a tutorial program conducting tutorial sessions exclusively for students struggling in Trigonometry. Teaching in both high school and university I have taught Trigonometry as a topic that comprises over a third of the Precalculus course in the Texas curriculum many times. Finally, in my Geometry classes we have usually 1 to 2 units on trigonometry restricted to right triangles.
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Ratings and Reviews


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Reviews

Kind and engaging tutor

Met me where I was at a explained concepts I had trouble grasping in several ways until it clicked. Also provided so many excellent review and reference documents to help me in my course. Truly excellent tutor!

Annie, 1 lesson with Warren