Shreesh Sahai
Problem-solving Math lessons with engaging focus
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Shreesh Sahai
Doctorate degree
/ 55 min
Shreesh - Know your tutor
I am currently pursuing my PhD at the prestigious Shiv Nadar Institution of Eminence, where I am deeply involved in research and academic pursuits. Prior to this, I obtained my Master's degree in Nuclear Science, which provided me with a solid foundation in advanced scientific principles and research methodologies. My academic journey has been primarily focused on Physics and Astrophysics, areas where I have developed a strong expertise. I am actively engaged in research projects that explore fundamental questions about the universe, leveraging my skills in both theoretical and experimental physics. In addition to my research, I also have considerable teaching experience, particularly in the fields of Mathematics, Physics, and Engineering. Over the years, I have had the opportunity to guide and mentor students, helping them grasp complex concepts and develop their analytical skills. This combination of research and teaching has enriched my academic career, allowing me to contribute meaningfully to both science and education. I am passionate about pushing the boundaries of knowledge in Physics and Astrophysics, aiming to contribute to groundbreaking discoveries in these fields. My experience in teaching has also allowed me to develop effective communication and leadership skills, which I use to inspire and guide students in their academic journeys. Furthermore, I frequently collaborate with fellow researchers, both within and outside my institution, to explore interdisciplinary approaches that bridge gaps between theoretical concepts and practical applications. This dynamic environment keeps me constantly learning and growing as both a researcher and educator.
Specialities of your tutor
Advanced Placement (AP) Program (USA)
Learning Plans
Math Tricks and Hacks
Homework help
Grade improvement
Concepts learning
Test prep strategies
Problem Solving
Project help
Common Core State Standards - CCSS (USA)
Exam prep
Provincial-specific curriculum (CA)
Student types for classes
Anxiety or Stress Disorders
College
Home schooled
Adult / Professional
School
All Levels
Class overview
I primarily focus on a requirement-based tutoring approach, tailoring my teaching methods to the specific needs and learning styles of each student. This means my teaching style is highly dynamic and adaptable, changing as needed to address the particulars of each student's situation. Whether the student needs a traditional lecture-based approach to grasp theoretical concepts, an activity-oriented method to encourage hands-on learning, or an example-based style to apply principles to real-world scenarios, I adjust my strategies accordingly. I also emphasize personalized assistance when tackling complex concepts and solving challenging problems, ensuring that students receive targeted support where it’s most needed. My goal is to create an engaging learning environment where students feel confident to ask questions and explore topics in-depth. I firmly believe that a solid understanding of core concepts is the foundation for mastering any subject. To this end, I prioritize conceptual clarity in my teaching, making sure students grasp the underlying principles before moving on to advanced topics. Problem-solving skills are equally essential, as they allow students to apply what they’ve learned in practical situations. By guiding students through a variety of problems, I aim to strengthen their analytical thinking and equip them with the tools to tackle new challenges independently. This dual focus on conceptual clarity and problem-solving remains central to my teaching philosophy, helping students not only succeed academically but also build a deeper, lasting understanding of the subject matter.
Quick homework assistance
85% of students receive timely help with homework and assignments.
Highly recommended for results
Parents consistently recommend the tutor for math success.
Hands-on learning for better understanding
Interactive methods help students grasp complex problems.
Shreesh also teaches
ACT Math
AP Calculus AB
AP Calculus BC
GED Math
Middle School Math
GRE Mathematics

15 days Refund
Free Tutor Swap

Mathematics concepts taught by Shreesh
The Student and Tutor reviewed tangent line and linear approximations, practicing calculations for various functions and exploring the concept of limits as they relate to derivatives. They also touched upon the summation of series, binomial expansions, and the foundational principles of calculus, including integration. The session concluded with a discussion on how mathematical equations are formed and discovered.
Linear Approximation and Tangent Lines
Derivatives and Rates of Change
Approximating Functions with Polynomials
Relationship between Differentiation and Integration
The tutor and student reviewed fundamental concepts in pre-calculus, specifically trigonometry. They covered definitions of trigonometric functions, the relationship between degrees and radians, and the concept of periodicity. The student practiced solving basic trigonometric equations with the guidance of the tutor, and future sessions will focus on graphical representations and calculator-based problem-solving.
Solving Trigonometric Equations of the form f(x) = 0
Period of a Function
Radians and Degrees
Trigonometric Ratios in a Right Triangle
The Student reviewed trigonometric functions, radian angle measurements, and the graphs of sine, cosine, and tangent. The Student practiced identifying key features of the trigonometric graphs. The session ended with plans to continue exploring trigonometry in the next lesson.
SohCahToa
Tangent Function and Graph
Cosine Function and Graph
Sine Function and Graph
Radian Definition
Reciprocal Trigonometric Functions
S Sahai assisted a student from the University of California, Los Angeles, with a transshipment problem. The lesson focused on setting up the problem in Excel and using the solver function to minimize transportation costs. They defined variables, constraints, and the objective function, and also discussed why the solver naturally produces integer solutions. The learner will work on question three in a future lesson.
Transshipment Problem
Excel Solver
Objective Function
Constraints
Nodes (Network Flow)
S Sahai guided Harshita through a practical application of business analytics, specifically tackling a transportation problem. The lesson centered on structuring the problem within Excel and employing Solver to optimize and minimize transportation costs. Together, they established definitions for inflow, outflow, balance, and constraints, and calculated total costs using SUMPRODUCT. Harshita will finalize the problem setup and solution, which S Sahai will review in their subsequent lesson.
Excel Solver Objective Function
Network Flow Constraints
SUMPRODUCT Function
Inflow & Outflow
S Sahai tutored a student from Brentwood on using Excel's solver function to determine coefficients for linear and quadratic regression models. The learner worked on minimizing the sum of squared differences to find optimal values for B0 and B1 in both linear and quadratic equations. They plan to cover the next question, which involves constraints, in their next lesson on Tuesday.
Quadratic Fit
Linear Fit
Dollar Signs in Excel
Sum of Squared Differences
Excel Solver
Teaching tools used by tutor
Solvers & Calculators
Assessments
Digital whiteboard
Quizzes
Practice worksheets
Interactive lessons
Note taking
Weekend lessons
Chat for quick help
Mobile joining
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