$60/hour

4.9
average from
300
ratings

“**Changed my son's Geometry grade from a D to an A**”

I have tutored students in Loudoun County for the past 6 years in all levels of math through A/P Calculus, Chemistry, A/P Chemistry, … Read more

*Many students find small groups a stimulating environment for learning, especially for SAT/ACT prep. Group rates will apply in those cases which can be a significant savings!*

Background Check:
Passed

Clark is approved to conduct lessons through Wyzant Online. Wyzant Online allows students and tutors to work remotely via video, audio, and collaborative whiteboard tools. For more information about how online tutoring works, check out Wyzant Online.

If you’re interested in online lessons, message Clark to get started.

Clark is an excellent tutor. My sophomore high school son was getting D's in Geometry and after 2 sessions with Clark, he has not received a grade lower than an A-.

Really helps clarify concepts. Patient and smart. Great tutor. Really helping me look at the problems in a way I have not before that makes it easier to understand.

My daughter was happy to be starting a new year at school because she knew she'd be tutored by Clark again. He's always so encouraging and her love of math keeps growing because he is such a great teacher.

Mr. R is the ideal Chemistry tutor for my son. He knows how to effectively communicate with my son and my son responds well.

Thank you so much for working with my daughter to prepare for the SAT's. She came home feeling much more confident than her first SAT. I appreciate that you discovered she did better when she "visualizes" and showed her how to draw pictures/tables so could utilize this strength effectively. Now we wait!

Clark is an excellent educator (my grades can prove it). He is very clear, precise, and patient. He is also very flexible. I couldn't have asked for a better tutor!

Clark has been working with me for several weeks to help me prepare for my ACT test scheduled in September. He has been extremely helpful and easy to work with.

I had telephone interviews with four tutors and it was easy to choose Clark. He spent about twenty minutes on the telephone with me and answered so many questions. The thing that impressed me most was his THOROUGH knowledge of the SAT and ACT tests, the types of questions asked, the "layout" of the tests, he knew so much. Although my son needs help improving his math scores, he also needs help with the critical reading section of the test. Clark answered all of my questions and explained to me how kids can do better on both tests by knowing what to look for, where to spend their time, how to eliminate wrong answers, etc. Clark then offered meet us the very next day, just for coffee to make sure his personality fit with my son's. During his first session, he touched on both math and critical reading just to give us a good overview of his plan for both sections of the test. My son showed me right off the bat a few shortcuts and skills he can use in navigating the test and I could tell my son was very encouraged with just that first lesson. I know he is going to walk into his second SAT so much more confident! We will be working with Clark for the next 8-9 weeks, I can't wait to see the difference in my son's scores!

We have been extremely pleased with our son's progress since he has been working with Clark! Clark was able to teach our son algebra concepts in a way that he could understand. Clark was very patient, always on time, and very easy to contact. Scheduling sessions was a breeze and Clark was flexible around our sons needs, i.e., switching days so a session was the day before a test, or skipping a lesson if our son was working on a project for his geometry class rather than working from his book. I would highly recommend Clark as a tutor for anyone who needs extra help with math. It has been a terrific experience!

My daughter has recently begun tutoring sessions with Mr. R. for 10th grade Algebra/Trig. She finds him exceptionally helpful in the way that he explains concepts and problem solving techniques and she finally feels as if she understands the material that she has been struggling with. We will continue to use Mr. R. as needed and are very pleased with the outcomes gained.

He is prompt, professional, easy to contact and flexible in his scheduling of sessions. We recommend him highly.

Math:

Science:

Chemistry
Business:

GMAT,
GRE
Approved subjects are in **bold**.

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 2 contains both content that reviews or extends concepts and skills learned in previous grades as well as expanding into new, more abstract concepts in algebra. During this level course, students gain proficiency in solving linear equations, inequalities, and systems of linear equations. New concepts include solving quadratic equations and inequalities, exploring conics, investigating polynomials, and applying/using matrices to organize and interpret data. Students will also investigate exponential and logarithmic functions.

Chemistry is the science of matter, particularly as it relates to its physical properties, structure, and chemical reactions between various elements and compounds. Subjects that are typically covered include structural properties (atoms, molecules,and the resulting chemical reactions), balancing equations, stoichiometry, gas laws, and many others. Chemistry is a building block subject where previously covered topics combine in more complex ways as newer subjects are introduced, so clear understanding of earlier concepts is essential to ongoing success.

Geometry is the branch of mathematics that studies figures, objects, and their relationships to each other. Calculations for volume and area, as well as solutions for related problems are included. It also includes the theorem and proof aspects around triangles, their respective shapes and angles. My approach utilizes the theoretical concepts and ties them to real world examples to help the student translate from theory into practicality. This typically makes the subject more interesting as well as easier to conceptually grasp.

The GRE exam closely reflects the kind of thinking that is typical for a student in a graduate or business school; as such, its results demonstrate that you are ready for graduate-level work. The exam is separated into three sections: 1) Verbal Reasoning — Measures your ability to analyze and evaluate written material and synthesize information obtained from it, analyze relationships among component parts of sentences and recognize relationships among words and concepts, 2) Quantitative Reasoning — Measures problem-solving ability, focusing on basic concepts of arithmetic, algebra, geometry and data analysis, and 3) Analytical Writing — Measures critical thinking and analytical writing skills, specifically your ability to articulate and support complex ideas clearly and effectively.

Precalculus prepares students for calculus the same way that pre-algebra prepares students for Algebra I. While pre-algebra teaches students many different fundamental algebra topics, precalculus does not involve calculus per se; rather, it explores topics that will be applied in calculus. Examples of topics covered include: composite functions, polynomial functions, rational functions, trigonometric functions and their inverses, exponential functions, logarithmic functions, sequences and series, and binomial theorem.

All four topics (Numbers & Operations, Algebra I & II, Geometry, and Data Analysis) will be covered, as well as test-taking skills and strategies. My experience is that many students can obtain improvement in the 1 or 2 topics in which they are weakest, thus getting the best return on time invested. As such, a previous SAT test result is helpful as a diagnostic tool.

Reading is straight forward, right? After all, we do it every day. But the SAT is not an everyday experience. Specific approaches and strategies can achieve better results, and what works best for a short reading selection may not be the best approach for a long reading selection. My experience with multiple students allows me to explain these strategies in a way that works for the particular student's learning style and correctly answer the most questions possible.

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Math, Chemistry, Physics through A/P levels and SAT / ACT Prep