Effective Math Tutor (Northwestern U Engineering PhD)

Ed L.
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Hourly Rate: $100

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Effective Math Tutor (Northwestern U Engineering PhD)

Ed L.
Hello, my name is Ed and I am a math tutor. I received my Ph.D. in Mechanical Engineering from Northwestern University and I previously worked in the automotive industry as a senior engineering specialist for 28 years. In my spare time, I worked with elementary through high school students coaching FIRST Robotics in my kids’ school district for 8 years. After taking an early retirement and moving to the Bay Area, I decided to continue doing what I love: working with students.

I tutored my...

Civil Engineering

Masters

PhD

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Microsoft Excel
#### Microsoft Excel

I have used Microsoft Excel for over 25 years. I have extensive knowledge of Excel including writing macros with VBA. I have used Excel at my previous jobs for financial modeling, business reporting, engineering calculations, statistics, and project management. I have always been the tutor and go-to guy for my colleagues for any Excel related questions at work. I also used Excel personally for financial planning, sports ranking and team logistics management. I am also experienced in using Excel Solver to solve linear programming optimization problems in business and engineering using Simplex Method. I am very familiar with What-If Analysis using Goal Seek and Data Tables.

Microsoft Excel,
#### Microsoft Excel

I have used Microsoft Excel for over 25 years. I have extensive knowledge of Excel including writing macros with VBA. I have used Excel at my previous jobs for financial modeling, business reporting, engineering calculations, statistics, and project management. I have always been the tutor and go-to guy for my colleagues for any Excel related questions at work. I also used Excel personally for financial planning, sports ranking and team logistics management. I am also experienced in using Excel Solver to solve linear programming optimization problems in business and engineering using Simplex Method. I am very familiar with What-If Analysis using Goal Seek and Data Tables.

Visual Basic
#### Visual Basic

I have used VBA in Microsoft Excel for over 20 years. I have extensive knowledge of Excel including writing macros with VBA. I have used Excel at my previous jobs for financial modeling, business reporting, engineering calculations, statistics, and project management. I have always been the tutor and go-to guy for my colleagues for any Excel related questions at work. I also used Excel VBA personally for financial planning, sports ranking and team logistics management.
Recently after working with one of my student who had minimal programming background, he was able to program in VBA and developed a spreadsheet to automatically download financial data and look for stock options trading opportunities.

Elementary Math
#### Elementary Math

The most effective way to teach math to young kids is through a hybrid of the mastery approach used in many Asian countries and the mindset approach used in many Western countries. I used this hybrid approach with both of my own kids who studied math 3 years ahead of their class. I also like to make math fun by using games to reinforce the mathematical concepts rather than using an approach like Kumon. I am using this approach with my elementary math students with great success. Mastering the basic arithmetic and concepts is very important for later math subjects. (Please note that due to the techniques I use with elementary students, I can not do it through online tutoring)

ACT English,
ACT Reading

Algebra 1,
#### Algebra 1

Students who studied pre-algebra with me will recognize that I have already covered many of the Algebra 1 concepts. For new students, I need to first make sure they are solid with fractions arithmetic and prime factorization. Algebra 1 can be easy to learn once students understand the general rules and methods that I teach them.

Algebra 2,
#### Algebra 2

Algebra is the most important math subject because roughly 40% of ACT math and 35% of SAT math is algebra. It is important to make sure skills from Algebra 1 are mastered before moving on to Algebra 2.

Calculus,
#### Calculus

Calculus is a very abstract topic that students often find intimidating. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school. I am able to break down complicated calculus concepts into easy-to-understand lessons. This helps to demystify a scary subject and allows students to be more confident in the classroom.

Geometry,
#### Geometry

Geometry is a very important subject because roughly 40% of ACT math and 30% of SAT math involves geometry. Geometry proofs, which are required study under the CA Common Core curriculum, are not tested on the ACT or SAT. However, students need to know the theorems and postulates well in order to excel in ACT and SAT math.

Prealgebra,
#### Prealgebra

I believe middle school is a good stage to stretch students’ minds and encourage them to think outside the box. It is the perfect time to teach students to recognize patterns and show them that math can be fun. As we encounter topics the student is not familiar with, I will stop and explain the topics thoroughly. It is very important that students have a firm command of fractions arithmetic before starting pre-algebra.

Precalculus,
#### Precalculus

Pre-calculus is a subject that students often find they have trouble with. This is very common because pre-calculus is the first time math becomes more abstract (especially with limits), and there are no clear steps to follow to solve math problems like in previous classes. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school.

SAT Math
#### SAT Math

The standard approach of tutoring SAT Math seems to be reviewing math topics and working on as many problems as possible from an SAT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
After a last-minute two-hour lesson, one student took the SAT a second time and improved their SAT math score from 590 to 650. Another two of my students improved their scores from the mid-600s to mid-700s after just 10 lessons.

ACT Math,
#### ACT Math

The standard approach of tutoring ACT Math seems to be reviewing math topics and working on as many problems as possible from an ACT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
I have coached both of my kids to get a 36 on their ACT Math using this approach. It can work for you too. One student improved their ACT math score from 24 to 30 after 7 one-hour lessons, and another student improved their score from 25 to 32.

Algebra 1,
#### Algebra 1

Students who studied pre-algebra with me will recognize that I have already covered many of the Algebra 1 concepts. For new students, I need to first make sure they are solid with fractions arithmetic and prime factorization. Algebra 1 can be easy to learn once students understand the general rules and methods that I teach them.

Algebra 2,
#### Algebra 2

Algebra is the most important math subject because roughly 40% of ACT math and 35% of SAT math is algebra. It is important to make sure skills from Algebra 1 are mastered before moving on to Algebra 2.

Calculus,
#### Calculus

Calculus is a very abstract topic that students often find intimidating. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school. I am able to break down complicated calculus concepts into easy-to-understand lessons. This helps to demystify a scary subject and allows students to be more confident in the classroom.

Geometry,
#### Geometry

Geometry is a very important subject because roughly 40% of ACT math and 30% of SAT math involves geometry. Geometry proofs, which are required study under the CA Common Core curriculum, are not tested on the ACT or SAT. However, students need to know the theorems and postulates well in order to excel in ACT and SAT math.

Prealgebra,
#### Prealgebra

I believe middle school is a good stage to stretch students’ minds and encourage them to think outside the box. It is the perfect time to teach students to recognize patterns and show them that math can be fun. As we encounter topics the student is not familiar with, I will stop and explain the topics thoroughly. It is very important that students have a firm command of fractions arithmetic before starting pre-algebra.

Precalculus,
#### Precalculus

Pre-calculus is a subject that students often find they have trouble with. This is very common because pre-calculus is the first time math becomes more abstract (especially with limits), and there are no clear steps to follow to solve math problems like in previous classes. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school.

SAT Math,
#### SAT Math

The standard approach of tutoring SAT Math seems to be reviewing math topics and working on as many problems as possible from an SAT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
After a last-minute two-hour lesson, one student took the SAT a second time and improved their SAT math score from 590 to 650. Another two of my students improved their scores from the mid-600s to mid-700s after just 10 lessons.

Trigonometry
#### Trigonometry

Trigonometry is not taught as a standalone math subject in the US. It may be taught as part of geometry, Algebra 2, pre-calculus, or some combination of these classes depending on the school. The trigonometry that is tested on ACT and SAT math only involves fundamental concepts. I teach students techniques to quickly derive all the trigonometric functions of special angles without memorizing the unit circle.

Algebra 1,
#### Algebra 1

Students who studied pre-algebra with me will recognize that I have already covered many of the Algebra 1 concepts. For new students, I need to first make sure they are solid with fractions arithmetic and prime factorization. Algebra 1 can be easy to learn once students understand the general rules and methods that I teach them.

Algebra 2,
#### Algebra 2

Algebra is the most important math subject because roughly 40% of ACT math and 35% of SAT math is algebra. It is important to make sure skills from Algebra 1 are mastered before moving on to Algebra 2.

Calculus,
#### Calculus

Calculus is a very abstract topic that students often find intimidating. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school. I am able to break down complicated calculus concepts into easy-to-understand lessons. This helps to demystify a scary subject and allows students to be more confident in the classroom.

Geometry,
#### Geometry

Geometry is a very important subject because roughly 40% of ACT math and 30% of SAT math involves geometry. Geometry proofs, which are required study under the CA Common Core curriculum, are not tested on the ACT or SAT. However, students need to know the theorems and postulates well in order to excel in ACT and SAT math.

Prealgebra,
#### Prealgebra

I believe middle school is a good stage to stretch students’ minds and encourage them to think outside the box. It is the perfect time to teach students to recognize patterns and show them that math can be fun. As we encounter topics the student is not familiar with, I will stop and explain the topics thoroughly. It is very important that students have a firm command of fractions arithmetic before starting pre-algebra.

Precalculus
#### Precalculus

Pre-calculus is a subject that students often find they have trouble with. This is very common because pre-calculus is the first time math becomes more abstract (especially with limits), and there are no clear steps to follow to solve math problems like in previous classes. Many of my students have told me that the way I explained the concepts was easier to understand than the way they learned it in school.

College Counseling
#### College Counseling

Having recently gone through the college application process with my kids, I know how stressful it can be. You only have one chance to make a good impression on each college you apply to. My wife and I have spent hundreds of hours researching on the internet, attended seminars from admission officers from different colleges and visited the campuses of many of these top colleges. I am very familiar with the subtle difference between what these top colleges look for. I can consult on how to make the student stand out with the appropriate extracurricular activities and the unique personal statements and supplemental essays. Both my kids chose to attend Stanford after receiving offers to other top schools.

ACT Science

SAT Math
#### SAT Math

The standard approach of tutoring SAT Math seems to be reviewing math topics and working on as many problems as possible from an SAT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
After a last-minute two-hour lesson, one student took the SAT a second time and improved their SAT math score from 590 to 650. Another two of my students improved their scores from the mid-600s to mid-700s after just 10 lessons.

ACT Math,
#### ACT Math

The standard approach of tutoring ACT Math seems to be reviewing math topics and working on as many problems as possible from an ACT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
I have coached both of my kids to get a 36 on their ACT Math using this approach. It can work for you too. One student improved their ACT math score from 24 to 30 after 7 one-hour lessons, and another student improved their score from 25 to 32.

College Counseling,
#### College Counseling

Having recently gone through the college application process with my kids, I know how stressful it can be. You only have one chance to make a good impression on each college you apply to. My wife and I have spent hundreds of hours researching on the internet, attended seminars from admission officers from different colleges and visited the campuses of many of these top colleges. I am very familiar with the subtle difference between what these top colleges look for. I can consult on how to make the student stand out with the appropriate extracurricular activities and the unique personal statements and supplemental essays. Both my kids chose to attend Stanford after receiving offers to other top schools.

ISEE,
#### ISEE

I have worked with multiple families to prepare their children for ISEE and SSAT. I have also tutored many students to prepare them for ACT and SAT. Besides reviewing the material, I teach specific test taking strategies on how to get the correct answer even if you don't know it.

SAT Math,
#### SAT Math

The standard approach of tutoring SAT Math seems to be reviewing math topics and working on as many problems as possible from an SAT practice book. This type of preparation is time consuming and has limited success. My proven method is very different. I believe students benefit more from an individualized approach targeting their weaknesses. I teach students various strategies to find the correct answer even if they don't know how to solve the problem directly. For students who struggle with making careless mistakes, I teach them effective techniques they can use to minimize these costly mistakes.
After a last-minute two-hour lesson, one student took the SAT a second time and improved their SAT math score from 590 to 650. Another two of my students improved their scores from the mid-600s to mid-700s after just 10 lessons.

ACT English,
ACT Reading,
ACT Science,
PSAT
## Worth every penny!

Do not think twice just book your tutoring with Ed today! He is amazing at Excel literally everything and Powerpoint!!! Excellent tutor! I can not stress this enough

Jess, 1 lesson with Ed

## Great professional and people skills!

Mr. Law helped me with the optimization model using excel solver and explained to me where I was wrong in the logical chain. I had very limited time but he was able to see me right away. Thank you for your understanding!

Ekaterina, 1 lesson with Ed

## Knowledgeable and friendly

Ed was Very helpful. He explained the functions and also gave suggestions on other formulas that I would benefit from. I would not hesitate to reach out to him again.

Evangelina, 1 lesson with Ed

## Best tutor for my son

After 17 lessons that my son (a sophomore in a very competitive high school) has had with Ed, I can say with confidence that Ed is a fantastic tutor, that WILL make a difference in your child's understanding of complex math problems, greatly reducing his/her stress levels, as he is not only a knowledgeable, patient and effective tutor, but he is also a resourceful and caring teacher. Ed is able to assess where the gaps and weaknesses are, and he will suggest a strategy to remedy those problem areas. He is always well prepared for the session, and brings his own materials with relevant exercises for practice. I also appreciate Ed's written summaries at the end of each session, so parents are informed about the progress. I really like Ed's proactivity and it is evident that his student's success is a top priority. In a couple of occasions Ed call me to discuss specific issues that my son was having, and proposed to increase the number of sessions per week to cover the gaps of fundamental concepts. Once they were done with the review material, Ed suggested to go back to once per week. As a result, Ed has earned my trust and immense gratitude. Thanks to him my son feels confident, worry and stress free before exams and quizzes, and he is keeping an excellent grade in the class - all of which is priceless to me. I couldn't recommend Ed more highly. We will continue to use his services as long as needed, knowing our son in great hands.

Marisol, 41 lessons with Ed

## Knowledgeable and Patient Tutor

In this lesson, I finished learning limits and started a chapter on derivatives. I had some sloppy mistakes and Ed was patient and helped me realize what I would be doing wrong.

Brian, 21 lessons with Ed

## Very Knowledgeable

Ed Explained things very clearly and even offered a better design to my solution. I highly recommend him for Macros & VBA. He troubleshooted the errors and explained in detail why it was not working.

Joseph, 1 lesson with Ed

## Knowledgeable, structured and thorough

Prior to the first lesson, Ed requested information on my son's maths curriculum and textbook. From this I knew that my son would get the help he needed from the right person. The structure that Ed has provided from the very first tutoring session has been a godsend, and my son really enjoys his sessions with Ed, who continues to challenge him each session to ensure he fully understands the concepts he needs to know going forward.

Gail, 9 lessons with Ed

## Knowledgeable

I've worked with Ed on a number of projects to analyze data. I appreciate his attention to detail and the quality of the finished work product to provide relevant insights.

Peter, 8 lessons with Ed

## Excellent Math Tutor

Ed is very knowledgeable in Geometry and provides great help for my kid. He is also very accommodating and flexible to meet the needs of the student. I would highly recommend him!

Jennifer, 14 lessons with Ed

## Great tutor

My son's grade has gone up since working with Ed. He's great at explaining algebra 2 and trig in was that have really helped my son. He's exactly what my son needed to get through this class.

Gabrielle, 11 lessons with Ed