Over 900 tutoring hours

Sean S.

Juneau, AK


Online Math Tutor

Background check passed as of 12/7/15
4.8 average from 117 ratings
Sean is great with teenagers
— Phil, Juneau, AK on 9/10/16

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Stevens Institute of Technology, NJ
University of Alaska, Southeast
Graduate Coursework
California State University - Dominguez Hills
Graduate Coursework


Stevens Institute of Technology, NJ (Mathematics)

University of Alaska, Southeast (Graduate Coursework)

California State University - Dominguez Hills (Graduate Coursework)

About Sean

Do you need help in math? I can help right now. My students are children, teens, adults, and elders, across nearly all demographics, including ESL. I bring an infectious enthusiasm for math, and I work hard to make math easy and comprehensible.

I will train you at your level to help you see math with fresh, new eyes. I will work with to understand what you do know, and what you don't. From there, I will explain how the words we use and the questions we ask can be translated into math expressions and equations. (From this, you will be prepared to tackle those dreaded "word problems"!)

And as you comprehend math concepts, you will be able to solve harder and more complex equations. I am entirely confident that you will get to the level of understanding and success that you need. All I ask of you is to put in your best effort in our sessions.

I have the over thirty years of teaching and tutoring experience. I started as a tutor while in high school. I began attending the Stevens Institute of Technology, and there I received my Baccalaureate in Science as a Mathematics Major in 1989. I began to charge for my tutoring services while attending college.

Throughout the 1990's and 2000's, I was a full-time substitute teacher in the Juneau School District, in the capital of Alaska. I quickly became to go-to-guy for several teachers whenever they had planned absences. It was here, at the University of Alaska (Southeast), where I started attending formal education courses. I was also served as an employee at UAS as an adjunct professor of remedial mathematics.

In the past eight years, I taught at several charter schools in Los Angeles, while taking more education classes at the California State University (Dominguez Hills). Currently, I am a few credits shy of my teaching certificate. I look forward to achieving this and a Master's degree, even while I continue to hone my skills.

When I first meet the student, my immediate goal is to determine in which topics they are having difficulty. I speak to the student, whatever age, with the respect that all people deserve. From this, cooperation is almost never an issue. During this time, I also gain insight into how the student learns, and what might be likely stumbling blocks, such as resentment towards authority, or a strong fear of failure.

I quickly determine which gaps exist for the student in the subject matter. I ask questions about their knowledge and present problems to test their abilities. While the student works on increasingly challenging questions that I pose, I review their textbook and other materials for official curriculum needs. As gaps become clear, I work to fill the most basic ones first.

For example, many times I have found a students unable to explain multiplication. In response, instead of handing over a times table, I bring a blank times-table, and ask the student to fill it in. When finished, I ask the student to point out patterns, and to explain what they have learned. By the end of the first session, the student has gained understanding of concepts, while I have learned about the student's knowledge and what steps must next be taken.

I will occasionally assign a little homework (never very much) to the student, usually straight from their textbook. I also often assign myself homework -- to review material for the next session, and to prepare examples for the student to consider. I make known to the student what homework I will be completing, and ask the student to recommend more. (The students appreciate that I get homework, and love assigning some to me!!)

I promise you that if you select me as your tutor, you will not be disappointed. I look forward to working with you.
Do you need help in math? I can help right now. My students are children, teens, adults, and elders, across nearly all demographics, including ESL. I bring an infectious enthusiasm for math, and I work hard to make math easy and comprehensible. Read more

8 hours notice required

My rates are always negotiable! I request that all sessions are two hours each.

Travel Radius
Travels within 40 miles of Juneau, AK 99801
Background Check: Passed

"Sean is great with teenagers"

- Phil, Juneau, AK on 9/10/16
Sean replied on 9/12/2016

Thanks so much, Phil!! Your 17-year-old has really begun to recognize the value of her own education, and is a pleasure to work with.


- Kathy, Los Angeles, CA on 3/6/16
Sean replied on 3/9/2016

We had a full session this day! So much covered, and I am so glad we finally got to work with Trigonometry as a study of circles!

"Great tutor."

- Ingrid, Los Angeles, CA on 12/21/15
Sean replied on 3/9/2016

He is such a great student! He really works hard, and it pays off. He knows how to study, and that gives him an edge. I'm really enjoying teaching him Calculus!

"Great Tutor! Excellent Communicator!"

- S, Los Angeles, CA on 8/2/14

"Patient tutor"

- KIM, Venice, CA on 12/15/13
Sean replied on 12/17/2013

Thank you, Kim! You are clearly a dedicated student, and I look forward to continuing with you.

"Great Tutor!"

- Jordan, Santa Monica, CA on 5/29/13
Sean replied on 6/15/2013

Thanks very much, Jordan! I'm so proud at how hard you worked; Calc II can be a difficult class, even for mathematics majors, and you deserved your final grade!

"Best Math tutor ever"

- Mike, Kent, OH on 5/17/13
Sean replied on 5/29/2013

This is incredible feedback!!! Thank you so much!

I am very impressed with how hard you work, and I am certain that you will get the score you need this time on the GRE.

"Excellent clear tutor"

- Usman, Santa Monica, CA on 9/21/12

"Very Patient"

- Julianne, Los Angeles, CA on 3/4/12
Sean replied on 3/5/2012

Thank you very much, Julianne. Your grandson is great to work with, and I enjoy his company. His enthusiasm will carry him far.

"An awesome find"

- Alicia, Los Angeles, CA on 2/11/12
Sean replied on 2/12/2012

Wow -- Thank you, Alicia!! It really is great to know that your son's hard work is paying off! He is a great person, and it's wonderful to work with him.

"Awesome Session!"

- Liza, Los Angeles, CA on 10/12/11
Sean replied on 10/13/2011

Thank you very much, Liza!! I look forward to working with you further!

"Great tutor"

- Hanna, Los Angeles, CA on 10/10/11
Sean replied on 10/11/2011

Thank you very much!! Your son is a great student -- he will go very far!!

"Great Tutor All Around"

- Geoffrey, Venice, CA on 9/28/11
Sean replied on 9/20/2012

Thank you very much, Geoffrey!! I have enjoyed tutoring you, and I know that you will continue to do well!

"Very clear and puts the concepts into an easy to grasp format!"

- Michael, Sherman Oaks, CA on 9/3/11
Sean replied on 9/5/2011

Thank you very much, Michael!! Tutoring you was a pleasure!

Test Preparation:
SAT Math
Microsoft Excel
Microsoft Excel

Approved subjects are in bold.

Approved subjects

In most cases, tutors gain approval in a subject by passing a proficiency exam. For some subject areas, like music and art, tutors submit written requests to demonstrate their proficiency to potential students. If a tutor is interested but not yet approved in a subject, the subject will appear in non-bold font. Tutors need to be approved in a subject prior to beginning lessons.

Algebra 1

Algebra is the generalization of arithmetic. Where before a student learns 2+3 and 3*5, algebra allows for circumstances when a number is not known -- and often to solve such situations.

Lines are thoroughly reviewed in algebra 1. I show students how linear equations occur in their lives, and how to understand both their graphs and their equations. The course also covers polynomial basics and a detailed review of the parabola.

Algebra 2

Algebra 2, sometimes called precalculus, is a more complex review of algebra. Polynomials are studied in detail, specifically finding its "zeroes". I show students what the problems really ask, and the techniques to solve them.

This class usually introduces trigonometry, a detailed study of circles. This course also goes into the relationship between parabolas and circles, and the equations and graphs of all conic sections.


Calculus is a study of how variables change -- their rate of change, to use the proper vernacular. As an analogy, algebra can tell you the average speed of a rocket ship, but Calculus can tell you its exact speed at any time, just like an odometer. I show my students how Calculus is found nearly everywhere, including in business, medicine, and nature.

Differential Equations

Differential equations is the study of equations that involving one or more derivatives of functions. The differential equation governs an unknown function, which is related to its own derivates. For example: What equation's rate of change is half of the equation itself? It is noteworthy that students are often required to prove that solutions exist, and that the solutions are unique, prior to actually deriving the solutions.

The challenge of this course is a fascinating and complex study, in which differential equations are self-referential. I have found that students appreciate the meta of this subject, within the equations' meaning and the process of obtaining solutions.


I have taught this material for years to students across the entire spectrum of competence -- and confidence. While seeming to be easy for many, this is a critical area of study for those seeking to get their GED. I show my students how they do this math everyday, and I reveal how they can adopt the practices for real life. I cover arithmetic and then the basics of algebra, along with a sense of how the number system behaves.


Geometry is based on points, lines, and angles. As a study of figures in "a plane", many questions can be answered very early in a geometry class using the basic concepts of a straight angle. An example is "Why do the angles of a triangle add to 180°?" (The answer can be made clear, when a line is drawn through one triangle's vertex, parallel to its opposite side.)

Other concepts build upon this, such as: "The sum of the exterior angles of a polygon is 360°." I explain how these concepts are viewed and how viewing them in right order shines light onto the entire course.


If necessary, I cover the format of the GMAT and the question types of the Integrated Reasoning and Quantitative Sections. Then I explain specific strategies for the different question types, which we return to as we cover both the math fundamentals and specific questions. In particular, several question types are reviewed in depth, since many are likely to occur once.


To do well on the quantitative sections of the GRE, you must know more than just the mathematics of algebra and geometry. The newly revamped test has four types of questions on the Quantitative sections. These questions will require out-of-the-box thinking, beyond the skills taught in high school. I have been reviewing these question types, and have found strategies for them. Along with the math, I will teach you the format and how to successfully navigate the questions you that will confront you.

Microsoft Excel

Arguably the single most important software ever developed, the spreadsheet is indespensible in any business endeavor. Its applications are extraordinary, and powerfully revealing information can be gleaned from data by even a moderately experienced user.

I explain the very basics of MS Excel, including proper keyboard use so students learn quickly and efficiently. Then I teach "cut, copy, paste" along with basic functions, and how to quickly fill a column or row with data. Other functions are taught to collect and alter data, and formats are explained to show information in nearly any way imaginable.


I help students understand prealgebra by reviewing the basics of arithmetic and introducing concepts of generalization. For example, imagine you travel 4 mph faster on your bike than I do on mine. What speed are you going if I am going 12 mph? What's my speed if you're going 9 mph? These sorts of questions introduce concepts to students, concepts that build to the idea of a variable, a letter that is used for any unknown number.


Precalculus is Algebra 2 or Algebra 3, because it includes the final study algebra prior to Calculus. Polynomials are studied in detail, including finding real and complex "zeroes" from Descartes' Rule of Signs.

Also studied is trigonometry, the study of circles. I teach this in very clear terms, using circular props so students can visualize the sine and cosine waves. This course often ends with limits and an intro to the rate of change of a function, such as speed.

SAT Math

I have taught the Mathematics portion of the SAT numerous times in the past, to groups and individuals. (I have created a workbook to assist students, which I am currently updating.) If needed, I first focus first on the format of the exam, and how to take advantage of the question types. Then I go over the content and the math needed to understand. Throughout, I discuss solving strategies with the student, so that they understand what to expect and how to approach the questions.


Trigonometry is a detailed study of circles. Imagine a point on a circle, as the circle slowly turns. How does the point move as the circle moves? What is its height from the center, and left-right distance from the center? The study of trigonometry often involves graphing trig functions, the study and graphs of inverse trig functions, and trig identities. I explain these concepts and others in a straightforward manner, so students can see the basic functions and why they are studied.

Stevens Institute of Technology, NJ
University of Alaska, Southeast
Graduate Coursework
California State University - Dominguez Hills
Graduate Coursework


Stevens Institute of Technology, NJ (Mathematics)

University of Alaska, Southeast (Graduate Coursework)

California State University - Dominguez Hills (Graduate Coursework)

Sean is great with teenagers — Sean is tutoring my 17 year old who has never liked math. She is actually understanding and beginning to realize that she can do this. Sean is excellent at presenting without talking down to her and stresses the positive and her taking responsibility for her education. I've used multiple tutors over the years and Sean is the best. ...

— Phil, Juneau, AK on 9/10/16

Hourly rate

Standard Hourly Rate: $50.00

Cancellation: 8 hours notice required

My rates are always negotiable! I request that all sessions are two hours each.

Travel policy

Sean will travel within 40 miles of Juneau, AK 99801.