Teaching

Prof. Rafael Gonzalez, M.A

Lehman College Department of Mathematics | Brooklyn College Department of Mathematics

Lehman Email: Rafael.gonzalez1@lehman.cuny.edu

Brooklyn Email: Rafael.Gonzalez@brooklyn.cuny.edu

Mercy Email: rgonzalezcastillo@mercy.edu

Lehman Office: You can find me at Gillet Hall Room 233-B or 233-A, Lehman College (or typically anywhere on the second floor)

All courses below were taught at Lehman College unless otherwise amended. Modality of the course is listed in parenthesis i.e (online),(hybrid) etc. If no modality is listed, then the course was taught in person.

Spring 2025

MAT 176 - Calculus 2
- Textbook: Calculus 10th edition by Larson
- Textbook: Calculus: Early Transcendental By Pearson

Fall 2024

MAT 126 - Quantitative Reasoning
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 8e.

Winter 2024

MAT 126 - Quantitative Reasoning (Asynchronous)
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 8e.

Fall 2023:

MAT 171 - Elements of Precalculus
- Textbook: precalculus 7th edition by Blitzer
- Textbook: Precalculus 9th edition by Larson
MATH 244 - Discrete Mathematics (Mercy College) (Synchronous)
- Textbook: Discrete Mathematics and Its Applications Eighth Edition

Spring 2023:

MAT 132 - Introduction to Statistics (Synchronous)
- Textbook: Elementary Statistics 13th edition by Triola
MATH 307 - Number Theory (Mercy College) (Synchronous)
- Textbook: Elementary Number Theory by Burton
- Textbook: Elementary Methods in Number Theory by Melvyn Nathanson

Fall 2022:

MAT 171 - Elements of Precalculus
- Textbook: precalculus 7th edition by Blitzer
- Textbook: Precalculus 9th edition by Larson
MATH 117 - Intro to Statistical Reasoning (Mercy College) (Asynchronous)
- Textbook: Elementary Statistics 14th edition by Triola

Spring 2022:

MAT 132 - Introduction to Statistics (Synchronous)
- Textbook: Elementary Statistics 13th edition by Triola
MATH 307 - Number Theory (Mercy College) (Synchronous)
- Textbook: Elementary Number Theory by Burton
- Textbook: Elementary Methods in Number Theory by Melvyn Nathanson

Fall 2021

MAT 171 - Elements of Precalculus (Synchronous)
- Textbook: precalculus 6th edition by Blitzer
- Textbook: Precalculus 9th edition by Larson

Summer 2021

MATH 1011 - Precalculus Mathematics (Brooklyn College) (Synchronous)
- Textbook: Precalculus 9e.
- Textbook: Blitzer, Precalculus 6e

Spring 2021

MAT 175 - Calculus I (Asynchronous)
- Textbook: Calculus 10th edition by Larson
- Textbook: Calculus: Early Transcendental By Pearson

Fall 2020

MATH 1311 - Thinking Mathematically (Brooklyn College) (Synchronous)
- Textbook: The Heart of Mathematics 3e
- Textbook: Elements of Mathematics: From Euclid to Godel
MAT 155 - Calculus I Lab (Asynchronous)
- Textbook: Getting Started with Maple

Summer 2020

MATH 1011 - Precalculus Mathematics (Brooklyn College) (Asynchronous)
- Textbook: Precalculus 9e.
- Textbook: Blitzer, Precalculus 6e

Spring 2020

MAT 126 - Quantitative Reasoning (Remote Synchronous after march 16th due to COVID 19 pandemic)
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 7e.

Fall 2019

MAT 126 - Quantitative Reasoning
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 7e.
MATH 1006 - College Algebra for Precalculus (Brooklyn College)
- Textbook: Algebra Beginning and Intermediate

Spring 2019

MAT 126 - Quantitative Reasoning
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 7e.

Fall 2018

MAT 126 - Quantitative Reasoning
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 7e.

Spring 2018

MAT 126 - Quantitative Reasoning
- Textbook: Using & Understanding Mathematics: A Quantitative Reasoning Approach 7e.
MAT 172 - Precalculus
- Textbook: Precalculus 9e.

Fall 2017

MAT 104 - College Algebra
- Textbook: Algebra Beginning and Intermediate
MAT 155 - Calculus I Lab
- Textbook: Getting Started with Maple