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Luis Armando Casso Echalar

Patient Math Tutor Who Makes Complex Topics Simple Through Visuals and Real-Life Examples

4.8(32)

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Private tutor - Luis Armando Casso Echalar

Diploma degree

/ 30 min

Luis Armando - Know your tutor

My name is Luis Casso, students can call me Lucho. I've been an unofficial tutor for three years already, and my passion lies in teaching mathematics to anyone who needs help. I helped students from various academic levels, ranging from the last year of high school to undergraduate college students. I can help with any topic up to Calculus I, and I will find time for teaching and making sure that every student who requires my help finds all the sources they need. As a math major student, I got to understand how maths could be harder for any student and how that made every high school student to have some sort of rejection towards the topic, but I personally wanted to become a math teacher because I think that everyone can learn math, and math can be used to teach not only as a school subject, but a way to understand the world and how it works. That is why teaching is my passion.

Luis Armando graduated from American International School of Bolivia

Luis Armando graduated from American International School of Bolivia

Class overview

My teaching style goes hand in hand with making sure students understand the why behind things. Every formula has a reason to exist, and students need to grasp the logical process behind the terminology for a more solid kind of learning — rather than just memorizing formulas they’ll likely forget. I’m very patient and interactive when teaching, and I always try to go at a pace that students find comfortable. The topics I can teach are varied in content, and I find it easy to identify areas of mathematics that require specific logical processes. At the same time, I can teach different strategies and tricks so that students learn through mnemonic devices or visual examples — helping them understand how to approach any exercise or problem they encounter. I have experience working with several students and have been able to connect with them in different ways to help them understand the problems presented. Once they become comfortable with the concepts, they reach the solutions much more quickly.

Specialities of your tutor

Problem Solving icon

Problem Solving

Test Strategy icon

Test Strategy

Math Tricks and Hacks icon

Math Tricks and Hacks

Test prep strategies icon

Test prep strategies

Learning Plans icon

Learning Plans

keyLearning

Mathematics concept taught by Luis Armando

Student learned 5 days ago

The Student and Tutor reviewed first and second derivative tests to determine concavity, inflection points, maxima, and minima. They worked through problems requiring product, chain, and quotient rules. The session ended by starting a new problem which they will continue in the next class, with the Tutor promising to send notes from the class.

First Derivative Test

Second Derivative Test

Product Rule

Chain Rule

Quotient Rule

Inflection Points

Concave Up and Concave Down

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Student learned 7 days ago

The session focused on using first and second derivatives to analyze and sketch graphs of functions. The Student practiced finding critical points, determining concavity, and sketching a cubic function using derivative information. The session concluded with a brief explanation of limits at infinity and how they relate to functions like 1/x.

First Derivative and Graph Behavior

Finding Critical Points

Second Derivative and Concavity

Second Derivative Test for Local Extrema

Inflection Points

Sketching Graphs with Derivatives

Limits at Infinity

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Student learned 10 days ago

The Student and Tutor reviewed the application of derivatives to find absolute maximum and minimum values of functions, including quadratic and trigonometric functions. The session included practice problems involving the extreme value theorem and critical points. The Tutor explained the derivatives of sine and cosine functions and related trigonometric concepts.

Critical Points

Function Shapes and Derivatives

Derivatives of Trigonometric Functions

Radians and the Unit Circle

Extreme Value Theorem

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Student learned 12 days ago

The session focused on solving related rates problems, including scenarios involving boats moving at different speeds and a ladder sliding down a wall. The student practiced applying differentiation techniques to find rates of change and also reviewed linearization methods. The tutor recommended focusing on geometric formulas and visualizing problems to improve problem-solving skills.

Related Rates

Linearization and Approximation

Problem-Solving Strategy: Visualizing the Problem

Geometric Formulas in Related Rates

Implicit Differentiation with Respect to Time

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Luis Armando also teaches

Elementary School Math

Elementary School Math

Geometry

Geometry

High School Math

High School Math

Middle School Math

Middle School Math

Probability

Probability

Trigonometry

Trigonometry

Teaching tools used by tutor

Practice worksheets image

Practice worksheets

Visualization & Exploration image

Visualization & Exploration

Solvers & Calculators image

Solvers & Calculators

Digital whiteboard image

Digital whiteboard

Lesson Planner image

Lesson Planner

Student types for classes

High School students icon

High School students

College students icon

College students

Anxiety or Stress Disorders icon

Anxiety or Stress Disorders

Mathematics for Beginners icon

Mathematics for Beginners

Home schooled icon

Home schooled

Elementary School students icon

Elementary School students

Middle School students icon

Middle School students

Interactive lessons

Weekend lessons icon

Weekend lessons

Mobile joining icon

Mobile joining

Open Q&A icon

Open Q&A

Note taking icon

Note taking

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Chat for quick help

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