# Archive

- Spring 2021
- Fall 2020
- Summer 2020
- Spring 2020
- Fall 2019
- Spring 2019
- Fall 2018
- Spring 2018
- Fall 2017
- Spring 2017
- Fall 2016
- Spring 2016
- Fall 2015
- 2014-15
- Spring 2014
- Fall 2013

AMC 10 | AMC 12 | AHSME | AIME | CMIMC | PUMaC | NYCIML |

## Spring 2021

## Fall 2020

## Summer 2020

JV | Varsity |

Coordinate Geometry 1 & 2 | Double Summation 1 |

Double Summation 2 | |

Modular Arithmetic 1 | Mods and Polynomials 1 |

Modular Arithmetic 2 | Mods and Polynomials 2 |

Competition 3 |

JV | Varsity |

Induction 1 | Geometric Inequalities 1 |

Induction 2 | Geometric Inequalities 2 |

Bases and Exponents 1 | Markov Chains 1 |

Bases and Exponents 2 | Markov Chains 2 |

JV | Varsity |

Online 1 | Online 1 |

Online 2 | Online 2 |

## Spring 2020

JV | Varsity |

Pascal's Triangle | Advanced Counting |

Counting | Expected Value |

Counting with Cases | Generating Functions 1 |

Induction | Generating Functions 2 |

JV | Varsity |

Angles | Similarity |

Congruent Triangles | Collinearity |

Circles | Cyclic Quadrilaterals |

Similar Triangles | |

Mirroring | Cevians |

## Fall 2019

JV | Varsity | Advanced |

Equations | Equations | |

Polynomials | Polynomials | |

Complex Numbers | Roots of Unity | |

Logarithms | Inequalities | Functional Equations |

Review | Review |

## Spring 2019

Angle Chsing and Similarity |

Congruence |

Circles |

Review |

Proportionality and Angle Chasing |

Constructions |

Additions to Figures |

## Fall 2018

Polynomials |

Sequences and Series |

Review 1 |

Trig/Logs |

Review 2 |

Counting Techniques |

Probability |

Pigeonhole Principle |

Review 1 |

Invariants |

Review 2 |

## Spring 2018

Probability without Counting |

Expected Value and Conditional Probability |

104 Problems Part 1 |

104 Problems Part 2 |

104 Problems Part 3 |

Number Theory 4 |

Algebraic Manipulations |

Things that Look True |

Techniques |

Induction |

Special Topic |

## Fall 2017

Polynomials |

Systems of Equations |

Complex Numbers |

Sequences and Series |

Angle Chasing |

Length Chasing |

Area Chasing |

Lattice Paths | |

Inclusion/Exclusion | |

Set Theory | |

Pigeonhole Intro | Pigeonhole Exercises |

Coloring |

## Spring 2017

Logic and Definitions I | Solutions |

Logic and Definitions II | |

The Pigeonhole Principle | Solutions |

The Extremal Principle | Solutions |

Counting Techniques |

Probability |

Expected Value and Recursion |

Markov Chains |

Graph Theory |

Asymptotic Calculus |

Optimization Problems |

## Fall 2016

Modular Arithmetic | Solutions |

Euler's Totient Function | |

Integer Linear Equations | |

Sums of Squares |

Similar Triangles |

Circles |

Trigonometry |

Cyclic Quadrilaterals |

Trigonometric Functions |

Miscellaneous Functions |

Summing Series | Solutions |

Solving Recurrences |

## Spring 2016

Solving Polynomials | Solutions |

Not Solving Polnomials | Solutions |

Complex Numbers | Solutions |

Arithmetic and Geometric Series | Solutions |

Invariants | Solutions |

Induction | Solutions |

Games | Solutions |

Strategies | Solutions |

Foundations | Solutions |

Random Variables | Solutions |

## Fall 2015

Modular Arithmetic | Solutions |

Divisibility | Solutions |

Fermat's Little Theorem | Solutions |

Diophantine Equations | Solutions |

The Area Method | Solutions |

Circles | |

Triangles | |

Coordinate Geometry | Solutions |

Permuations and Binomials | Solutions |

Counting Strategies | Solutions |

Recursions | Solutions |

## 2014-15

Polnomial Bases |

Solving Recurrences |

Generating Functions I |

Generating Functions II |

Markov Chains |

The Twelvefold Way |

Chess |

Coordinate Geometry |

3D Geometry |

Divisors and Factors |

Lessons from AMC |

## Spring 2014

Finite Sums |

Solving Recurrences |

Vieta's Formulas |

Writing Proofs I |

Writing Proofs II |

Generating Functions I |

Generating Functions II |

## Fall 2013

Modular Arithmetic |

Divisors |

Everything Else |

Inclusion-Exclusion and Binomials |

Induction, Pigeonhole, Brute Force |

Graph Theory |

Optimization |

Incidence Geometry |

Circles |

Triangles |