### About AMC

The AMC—organized by the Mathematical Association of America—is a prestigious nationwide mathematics competition in the United States. Started in the 1950s, the AMC has been the exclusive pathway for a student to advance to the USA Mathematical Olympiad. The AMC is an opportunity for students to excel in an academic sphere, and gives students a chance to stimulate their mathematical curiosity and skills. Many well-known colleges and universities have access to AMC contest scores and use them for recruiting and admissions.

This mathematics course will prepare students for the AMC 10/12, the first exam in the series of exams used to challenge students on the path toward choosing the team that represents the United States at the International Mathematics Olympiad. The AMC 10 and 12 are 25-question, 75-minute, multiple choice examinations. The AMC 10 is for 10th grade students and below, and covers high school curriculum up to the 10th grade. The AMC 12 is for 12th grade students and below, and covers the entire high school curriculum. This course will teach students to apply classroom learned skills to unique problem-solving challenges in a low-stress and friendly environment. Students who perform well at the AMC 10/12 are invited to take the AIME.

### Course Description

This class covers essential topics including algebra, geometry, counting & probability and number theory in AMC 10, 12, and AIME in a more profound way. Most examples and problems in weekly assignments will be actual AMC and AIME problems in the past. Every week students get homework and in the next class, we will fully discuss these problems in weekly assignments, and then continue to review new topics.

Counting & probability is either missed in high school math or is taught in a shallow way, like a dragonfly touching the water surface. We teach probability and count in more profound way for AMC + AIME problems.

We plan to do significant work on geometry since students’ ability to solve medium to difficult geometry problems plays a crucial factor for them to be able to pass AMC or AMC + AIME or not.

On the way, we help students to develop trial, fearless spirit: try whatever they can think about to tackle a given problem. Roughly for students who do all assignments, fully understand our class materials and be able to use them to solve AMC and AIME problems, they significantly raise their chance to pass AMC, even to pass AIME.

Three books listed in the curriculum provide additional materials for students to study, and they are optional. Students are expected to do weekly assignments.

We encourage group discussion in class.

### AMC 10/12 Course for 20 lessons

Class Outline

This class covers essential topics in AMC 10, 12, and AIME in more profound way. Most examples and problems in weekly assignments will be actual AMC and AIME problems in the past: roughly 85% AMC and 15% AIME. Every week students get homework and in next class, we will fully discuss these problems in weekly assignment, and then continue to review new topics.

Three books listed in the curriculum provide additional materials for students to study, and they are optional. Students are expected to do weekly assignments.

We encourage group discussion in class.

Class 1

Integer equations

Quadratic functions

Vieta’s formula

Fundamental theorem of algebra

Geometry: Similar triangles

Similar shapes

Probability and count: two commonly-used approaches

Class 2

Multiplication and addition principles

Permutation and combination

Binomial theorem

Pigeon-hole principle

Venn Diagram

Class 3

Probability and count: Recursion

Exponents and Log

Function and inverse function

Polynomial remainder

Sequence and series

Arithmetic and geometric sequences

Class 4

Recursive sequences

Sequence and inequality

Linear functions

Algebraic identities and equivalent transformations Absolute value

Class 5

Complex numbers

Complex plane, DeMorvre theorem

Triangles

Similar and congruent triangles, Triangle inequalities Ratio of areas of triangles

Similar shapes

Class 6

Medians and centroid

Angle bisectors and in-center

Perpendicular bisectors and circum-center Triangle areas (7 approaches)

Circles

Tangent lines

Class 7

Inscribed angles

Power theorem

External secant theorem

Circular sectors

Parallel lines

Tangent circles

Class 8

Polygon and angles

Quadrilaterals, Rhombus, Rectangles, Squares Circles and polygon

Ptolemy’s theorem

Shoelace theorem

Pick’s theorem

Class 9

3D geometry

Euler’s formula

Trigonometry

Trig identity

New period and starting point

Trig equation

Class 10

Polar coordinates

Inverse trig functions

Cos law, sin law

Stewart theorem

Analytic geometry

Class 11

2D, 3D distance

Point-line distance, point-plane distance Vectors, Inner product, Angle theorem Lines and vectors

Vectors and matrices

Rotation

Class 12

Number theory

Even and odd numbers

Integer remainder

Prime factorization

Number of divisors

GCD and LCM

Class 13

Diophantine equation

Absolute value

Statistics, mean, median, modes Arithmetic and geometric means Basic algebra formulas

Class 14

Floor function

Proportion and application problems Direct and inverse relations

Function domain and range

Inverse function

Class 15

Polynomial remainder

Descarte’s rule

Graphs of functions

Composition of functions

Graph theory

Class 16

Euler path, Euler cycle

Inequalities

Comprehensive review

Class 17

Application problems

Comprehensive review

Class 18

AMC 10 12 problems

Comprehensive review

Class 19

AMC 10 12 problems

Comprehensive review

Class 20

AMC 10 12 problems

Comprehensive review

Three books:

- First Steps for Math Olympians by J. Douglas Faires
- the Art of Problem Solving Volume 1: the BASICS by Sandor Lehoczky, Richard Rusczyk 3. the Art of Problem Solving Volume 2: and Beyond by Richard Rusczyk, Sandor Lehoczky

### Teacher Introduction

Mr. Felix Huang has taught math, computer science, and physics to high school students in learning centers in the Bay Area for over 10 years. He has helped many students pass the AMC 10, 12, and AIME. He also helped several students to advance on USACO Bronze, Silver, Gold to Platinum. He is passionate about helping students overcome their barriers and reach challenging goals. He helped students gain profound understanding on these subjects. He works as software engineer in multiple areas including Java, C++, Python programming, backend data, and optimization problems. As background, he received a M.S. in Math from U of Washington, M.S. in Computer Science from U of Arizona, and a B.S. in Math from National Taiwan University.

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