Archive

Many solutions can be found at the following sites:
AMC 10 AMC 12 AHSME AIME CMIMC PUMaC NYCIML

Spring 2018

Probability
Probability without Counting

Fall 2017

Algebra
Polynomials
Systems of Equations
Complex Numbers
Sequences and Series
Geometry
Angle Chasing
Length Chasing
Area Chasing
Discrete Math
Lattice Paths
Inclusion/Exclusion
Set Theory
Pigeonhole Intro Pigeonhole Exercises
Coloring

Spring 2017

Writing Proofs
Logic and Definitions I Solutions
Logic and Definitions II
The Pigeonhole Principle Solutions
The Extremal Principle Solutions
Combinatorics
Counting Techniques
Probability
Expected Value and Recursion
Markov Chains
Graph Theory
Ideas from Calculus
Asymptotic Calculus
Optimization Problems

Fall 2016

Number Theory
Modular Arithmetic Solutions
Euler's Totient Function
Integer Linear Equations
Sums of Squares
Geometry
Similar Triangles
Circles
Trigonometry
Cyclic Quadrilaterals
Functions
Trigonometric Functions
Miscellaneous Functions
Sequences and Series
Summing Series Solutions
Solving Recurrences

Spring 2016

Algebra
Solving Polynomials Solutions
Not Solving Polnomials Solutions
Complex Numbers Solutions
Arithmetic and Geometric Series Solutions
Writing Proofs
Invariants Solutions
Induction Solutions
Games Solutions
Probability
Strategies Solutions
Foundations Solutions
Random Variables Solutions

Fall 2015

Number Theory
Modular Arithmetic Solutions
Divisibility Solutions
Fermat's Little Theorem Solutions
Diophantine Equations Solutions
Geometry
The Area Method Solutions
Circles
Triangles
Coordinate Geometry Solutions
Combinatorics
Permuations and Binomials Solutions
Counting Strategies Solutions
Recursions Solutions

2014-15

Algebra
Polnomial Bases
Solving Recurrences
Generating Functions I
Generating Functions II
Combinatorics
Markov Chains
The Twelvefold Way
Chess
Geometry
Coordinate Geometry
3D Geometry
Number Theory
Divisors and Factors
Lessons from AMC

Spring 2014

Algebra
Finite Sums
Solving Recurrences
Vieta's Formulas
Proofs
Writing Proofs I
Writing Proofs II
Generating Functions
Generating Functions I
Generating Functions II

Fall 2013

Number Theory
Modular Arithmetic
Divisors
Everything Else
Combinatorics
Inclusion-Exclusion and Binomials
Induction, Pigeonhole, Brute Force
Graph Theory
Optimization
Geometry
Incidence Geometry
Circles
Triangles