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Andres - Mathematics Tutor Bilingual | Preparación para Exámenes y Matemáticas Universitarias | Global Tutors

Andres

Mathematics Tutor Bilingual | Preparación para Exámenes y Matemáticas Universitarias

Tutor based in Colombia
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Why families choose Andres

PhD in Mathematics

Bilingual Spanish–English Mathematics Tutor

Colombia ICFES/Saber 11

University Mathematics, Calculus I, II & III, Linear Algebra, Probability & Statistics

International Academic Experience

About Andres

Andres is a bilingual Spanish–English Mathematics educator with a PhD in Mathematics from Universität Zürich and an international academic background spanning Colombia, Canada, Germany and Switzerland.

He has experience supporting students in Colombian secondary education, including Mathematics preparation for standardised state examinations, as well as extensive university-level teaching experience in Calculus, Linear Algebra and Precalculus.

As an Exam Preparation Teacher in Colombia, Andres designed lessons around standardised examination problems and taught groups of high-school juniors and seniors. He also has five years of university Teaching Assistant experience, supporting students from first-year through graduate level, including designing and grading assessments and leading problem-solving sessions. He can teach in both Spanish and English, making him particularly well suited to Spanish-speaking students who are studying Mathematics in English or who would benefit from bilingual explanations.


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Andres es un tutor de Matemáticas bilingüe español–inglés, con un PhD en Matemáticas de la Universität Zürich y una trayectoria académica internacional en Colombia, Canadá, Alemania y Suiza. Cuenta con experiencia apoyando a estudiantes de educación secundaria en Colombia, incluyendo preparación en Matemáticas para exámenes estandarizados nacionales, además de amplia experiencia universitaria en Cálculo, Álgebra Lineal y Precálculo.

Como profesor de preparación para exámenes en Colombia, Andres diseñó clases basadas en problemas de exámenes estandarizados y trabajó con grupos de estudiantes de los últimos años de secundaria. También cuenta con cinco años de experiencia como Teaching Assistant a nivel universitario, apoyando estudiantes desde primer año hasta posgrado, incluyendo el diseño y corrección de evaluaciones y sesiones de resolución de problemas. Puede enseñar tanto en español como en inglés, lo que lo hace especialmente adecuado para estudiantes hispanohablantes que estudian Matemáticas en inglés o que se benefician de explicaciones bilingües.

Teaching Approach

His experience designing assessments, grading examinations and explaining common mistakes allows him to identify where students are struggling and adapt his explanations accordingly. His lessons focus on building mathematical understanding, problem-solving skills and greater independence when approaching unfamiliar questions.


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Su experiencia diseñando evaluaciones, corrigiendo exámenes y explicando errores frecuentes le permite identificar las dificultades de los estudiantes y adaptar sus explicaciones según sus necesidades.

Sus clases se enfocan en fortalecer la comprensión matemática, las habilidades para resolver problemas y la autonomía del estudiante al enfrentarse a preguntas nuevas o complejas.

Subjects & Levels

Mathematics

  • General Mathematics
  • Precalculus
  • Calculus
  • Linear Algebra
  • Mathematical Problem Solving
  • Examination Preparation


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Matemáticas

  • Matemáticas Generales
  • Precálculo
  • Cálculo
  • Álgebra Lineal
  • Resolución de Problemas Matemáticos
  • Preparación para Exámenes

Exam Preparation Focus

  • Provides guidance to students by adapting explanations to their level of understanding and addressing specific areas of difficulty.
  • Focuses on working through problems systematically, explaining solutions clearly, and identifying common mistakes.
  • Supports students in strengthening mathematical understanding and preparing for examination-based assessment


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Andres cuenta con experiencia directa preparando estudiantes de secundaria en Colombia para exámenes estandarizados nacionales. Diseñó clases basadas en problemas de exámenes y trabajó con grupos de estudiantes de los últimos años de secundaria.

Achievements & Experience

  • PhD in Mathematics from Universität Zürich
  • Exam Preparation Teacher for high-school students
  • 5+ years of university Teaching Assistant experience
  • Experience designing examinations and exercise materials
  • Experience grading examinations and assessments
  • International academic experience across Colombia, Canada, Germany and Switzerland


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  • PhD en Matemáticas de la Universität Zürich
  • Profesor de Preparación para Exámenes con estudiantes de secundaria en Colombia
  • 5+ de experiencia como Teaching Assistant universitario
  • Experiencia corrigiendo exámenes y evaluaciones
  • Experiencia académica internacional en Colombia, Canadá, Alemania y Suiza

Education

PhD in Mathematics – Universität Zürich, Switzerland

MSc in Mathematics – Western University, Canada

BA in Mathematics – Universidad del Norte, Colombia

BA in Electrical Engineering – Universidad del Norte, Colombia

Exchange Year – Technische Universität Ilmenau, Germany

Reviews

2 reviews from parents and students

5.0

Noam

Student
August 19, 2026

The tutorials given by Andres were always very engaging. He is excellent at bringing his enthusiasm across, making his classes not only educational but very fun as well. He had a lot of patience, happily explaining and re-explaining what we needed to understand, going above and beyond in that he sometimes supplied written additional material after the tutorials when needed. He is also great in creating a relaxed teaching atmosphere, so all the students felt very much at ease asking any questions.

Niklas

Colleague
August 18, 2026

Andres is always approachable, patient and respectful. He is committed to his role outside of exercise classes and always available to discuss problems or answer questions. I am very comfortable recommending him for working with children online. He has shown the enthusiasm for teaching, the patience and the professionalism necessary for doing so.

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