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Ivy League expert in Calculus, Probability and Linear Algebra
Kubrat D.

4,554 hours tutoring

Your first lesson is backed by our Good Fit Guarantee

Hourly Rate: $175
Response time: 19 minutes

About Kubrat


Bio

I am a Berkeley/Princeton educated tutor with 10 years of experience teaching all college math subjects. Unlike a lot of other tutors, I have the educator mindset rather than the student mindset, and I can break down complicated math concepts down to basic logic and deduction. I have worked with students from the most elite institutions in the US - including students from Princeton, UPenn, Berkeley, UCLA, USC and UT.

I am a perfect fit for you if you are studying for any college class, SAT,...

I am a Berkeley/Princeton educated tutor with 10 years of experience teaching all college math subjects. Unlike a lot of other tutors, I have the educator mindset rather than the student mindset, and I can break down complicated math concepts down to basic logic and deduction. I have worked with students from the most elite institutions in the US - including students from Princeton, UPenn, Berkeley, UCLA, USC and UT.

I am a perfect fit for you if you are studying for any college class, SAT, AP Calculus AB/BC or the GRE (both general and math subject). I love seeing my students succeed, and in addition to math tutoring, I can also be of help to you if you are applying for college/grad school.

I have 10 years of experience at both Princeton (undergrad) and UC Berkeley (PhD) in tutoring and teaching math. I have the background to help you grow in your understanding of mathematics, not just helping you get by from week to week.

I am quite personable and I am looking forward to working with you or your student!


Education

Princeton
Mathematics
UC Berkeley
PhD

Policies


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Approved Subjects

ACT Math

ACT Math

I have 9 years of experience teaching all types of math.
Algebra 1

Algebra 1

I have been teaching math for the past 9 years.
Algebra 2

Algebra 2

I have been teaching math for the past 9 years.
Calculus

Calculus

Taught calculus at the college/AP level for 6 semesters at UC Berkeley. Extremely familiar with the curriculum and its further applications both in math and in the life sciences.
Differential Equations

Differential Equations

I've worked with college and college-level students for the past 10 years, and I have seen every foreseeable question come up from students. Differential equations is a tricky subjects with a lot of steps and corner cases - and I know how to help my students navigate those. My specialization in my PhD includes Differential Equations. I am proficient in both Ordinary Differential Equations and Partial Differential Equations, at both the graduate and undergraduate level.
Geometry

Geometry

I have 9 years of experience in teaching math.
GMAT

GMAT

I have 9 years of experience in teaching math.
GRE

GRE

I got 168 on the verbal section and 170 on the quantitative reasoning section when I was applying to Grad school. I can also help you with the GRE math subject test.
Linear Algebra

Linear Algebra

Taught linear algebra at the college level for 4 semesters at UC Berkeley. Extremely familiar with the material and its applications both in math and in the life sciences.
Precalculus

Precalculus

I have 9 years of experience in teaching math.
Probability

Probability

Probability is one of my areas of specialization during my PhD. It is also one of my favorite subjects - whether it is at the high-school, college or graduate level.
SAT Math

SAT Math

I've helped tens of students drastically increase their SAT math scores, often by as much as 200 points. My philosophy for preparing for the SAT math focuses on a relentless cycle of drills, practice tests and constant feedback to help the student close all the gaps in their understanding. Often, the school system leaves students with little retained understanding of the topics that will show up - through my methodology, we manage to identify what the student has forgotten or never learned well so we can focus our efforts on those topics.
Trigonometry

Trigonometry

I have 9 years of experience in teaching math.
Kubrat D.'s Photo

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Response time: 19 minutes

Ratings and Reviews


Rating

5.0 (1,104 ratings)
5 star
(1,101)
4 star
(0)
3 star
(0)
2 star
(0)
1 star
(3)

Reviews

Outstanding teacher

Kubrat is a high-level teacher. We came across him after trying two other teachers. Not only is he a math genius and very skilled in what he does, but also he is also extremely focused, efficient and cares about his students. He is ready to address any topic without any need for preparation. My daughter has been working with Kubrat for two years, and her math proficiency has dramatically improved with math now being her favorite subject. Kubrat renders difficult concepts, as they are explained in school, easy to understand. On top of his geniality, he is very reliable, courteous, kind, humble, and flexible with scheduling. We are very fortunate to have found him and wholeheartedly recommend him.

Joseph , 75 lessons with Kubrat

Amazing tutor

Kubrat is great at explaining calculus concepts in a way that make sense and apply to the real world experience. He is patient with my son, but holds him accountable for the work he needs to do. Highly recommend him.

Lenka, 6 lessons with Kubrat

Instructive and effective tutor

Kubrat is very knowledgeable of linear algebra, but most importantly, he understands that practice is the most important thing. Every session was helpful, and his method of practicing and forcing you to understand how to do problems was extremely effective. Good explanations, he was able to cater his tutoring to my class specifically, and it helped my grade a lot.

Reid, 20 lessons with Kubrat

Huge help with GRE Quant

After studying on my own, I got a 170 verbal and 158 quant on the GRE. I had taken advanced math in college, but was incredibly rusty, as I am 11 years post-college. In 3 tutoring sessions in 3 weeks, Kubrat gave me a study plan, and helped me understand the tricks to score better. I improved my quant score to a 165. I believe with one more session, I could have improved much further. Kubrat was organized, thoughtful, and gave clear, concise explanations. I couldn't recommend him higher!

Jennifer, 3 lessons with Kubrat

Kubrat is a gem!

We are beyond grateful for the incredible support and guidance that Kubrat has provided to our son throughout his pre-calculus journey. Not only is he brilliant, with a deep understanding of the subject matter, but also incredibly kind and patient in every interaction. His availability has been invaluable, always ready to help clarify complex concepts or answer last-minute questions, making a world of difference in our son’s confidence and performance. We truly couldn’t have asked for a more dedicated or skilled tutor. Thank you Kubrat, for all that you do!

Simone, 30 lessons with Kubrat

Excellent tutor

Kubrat is very dedicated and knows how to motivate students to work hard and do their best. We are extremely pleased and highly recommend him for SAT prep tests.

Luiza, 9 lessons with Kubrat

Customized approach

Kubrant doesn't have a one size fits all approach. He customizes his lessons based on the student's needs. He is also honest and realistic about goals and what the student can achieve. I appreciate that.

Jeannie, 22 lessons with Kubrat

Could not have done it without Kubrat's help!!!

During the summer I was attending Harvard's Linear Algebra and Multivariable Calculus classes. Kubrat helped me in both those classes and I got A's in both of them. Kubrat was patience and inspired me through difficult assignment problems and clarified concepts for me that were usually abstract in the textbooks. Kubrat is really skillful at both proof-based materials as well as hands-on application problems. I am really thankful that I found Kubrat!

Andy, 39 lessons with Kubrat

Committed and knowledgeable tutor

Kubrat D. was an excellent AP Calculus tutor. He not only tutored my son to prepare for the AP test he also had to teach him a majority of the material as well. We would not have made it through Junior year without him.

Melissa, 52 lessons with Kubrat

Excellent

He is an excellent tutor. He explains difficult topics so they are understandable. Two sessions helped to improve my knowledge significantly, resulting in a higher test score…D to a B+

Amy, 5 lessons with Kubrat
Hourly Rate: $175
Response time: 19 minutes
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