Randy Brenner
Empower Your Academic Journey with Engaging, Supportive AP Tutor




Private tutor - Randy Brenner
Bachelors degree
$34
$31
/ hour
About your tutor
Hi, I’m Randy! With over 8 years of tutoring experience and a strong academic background in biology, chemistry, and mathematics, I’m excited to help you succeed in your AP subjects. I specialize in making complex topics easier to understand through clear explanations, targeted practice, and personalized lessons. Whether you’re preparing for AP Biology, AP Chemistry, or AP Calculus, I’ll work with you to strengthen your knowledge, build confidence, and develop the test-taking strategies needed to excel. My goal is to make AP courses both manageable and enjoyable, helping you achieve the best possible score while deepening your understanding of the material!
Quick help for last-minute doubts
85% of students received instant support before exams.
Strong focus on exam readiness
95% of parents report their child is more exam-ready.
Real-time feedback for continuous improvement
95% of students receive valuable feedback on practice tests.
Teaching methodology
My teaching methodology for AP classes is focused on making challenging material accessible, engaging, and understandable. With over 8 years of tutoring experience, I tailor each lesson to the student’s unique learning style, whether that involves breaking down complex concepts, reinforcing key topics, or practicing exam techniques. I prioritize active learning by encouraging students to solve problems independently, ask questions, and apply their knowledge to real-world examples. I also emphasize time management and test-taking strategies to help students perform under pressure. Above all, I aim to foster a deep understanding of the material, so students are not only prepared for the AP exams but also gain skills they can use in their future studies.
AP tutor specialities
New Zealand Curriculum - NZC (NZ)
GCSE (UK)
International Baccalaureate (IB)
Common Core State Standards - CCSS (USA)
Test prep
State-Specific Standards (USA)
A-Levels (UK)
Assignment help
Next Generation Science Standards - NGSS (USA)
Concepts learning

AP concept taught by Randy
Randy tutored Emma (Claudia Tu) on various 8th-grade math topics, including arithmetic with fractions, exponent rules, scientific notation, solving linear equations, systems of equations using substitution, and angle relationships. Emma practiced converting numbers into scientific notation and solving algebraic equations. No specific homework or follow-up plans were mentioned.
Adding/Subtracting Fractions
Exponent Product Rule
Exponent Power Rule
Scientific Notation
Solving Equations
Solving Systems of Equations by Substitution
Straight and Complementary Angles
Randy tutored Madison on various algebra topics, including exponential growth/decay, compound interest, polynomial operations, and recursive formulas. Madison worked through practice problems, and Randy provided explanations and step-by-step guidance. They skipped a wordy problem due to time constraints, focusing on exam preparation.
FOIL Method
Half-Life
Volume of a Box
Exponential Growth
Polynomial Long Division
Recursive Formula
Randy tutored Madison in chemistry, working through multiple-choice questions covering topics from atomic structure and the periodic table to chemical reactions and organic chemistry. They used ptable.com as a resource and focused on understanding concepts through problem-solving. No specific homework was assigned, but the session served as a comprehensive review of key chemistry principles.
Intermolecular Forces
Empirical vs. Molecular Formulas
Electrolytic vs. Voltaic Cells
Redox Reactions
Catalysts and Activation Energy
Boiling Point Trends
Valence Electrons
Metals
Randy tutored Claudia in a math review session, covering probability, fractions, decimals, and solving for x in algebraic equations. Claudia practiced problems in each area, demonstrating a good understanding of the concepts. They plan to continue practicing math fundamentals in future sessions.
Probability
Adding Fractions
Solving for x
Decimals
Randy tutored Madison in chemistry, focusing on practice questions from Castle Learning to prepare for her upcoming chemistry Regents exam. They covered topics such as electrochemistry, gas laws, solutions, and organic chemistry, with Randy providing explanations and strategies for solving problems. Madison received guidance on using reference tables and understanding key concepts for the exam.
Table F Solubility Rules
Functional Groups - Aldehydes
Electrolytes
Anode and Cathode Reactions
Ideal Gas Characteristics
Entropy
Unsaturated Solutions
Molarity and Dilution
Randy tutored Oliver, reviewing area, surface area, volume, matrix multiplication, and algebra. Oliver practiced problems on trapezoids, composite shapes, and matrix operations, with Randy correcting errors and explaining concepts. They discussed future lessons and the addition of Oliver's sister to the tutoring sessions, planned to resume in three weeks.
Square Pyramid Surface Area
Trapezoid Area
Composite Surface Area
Matrix Multiplication
Rectangle Dimensions from Area
Volume and Capacity Conversion
Your AP tutor also teaches
AP Biology
AP Chemistry
AP English Language and Composition
AP English Literature and Composition
AP Environmental Science
AP Physics 1
Free lesson slots
1 / 1
Teaching tools used by AP tutor
Digital whiteboard
Quizzes
Assessments
Presentations
Practice worksheets
Student types for AP tutor
School
College
Adult / Professional
All Levels
ADHD
ASD
Learning Disabilities
Anxiety or Stress Disorders
Home schooled
Interactive AP classes
Record lessons
Note taking
Pets are welcomed
Parent feedback
Mobile joining
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