This website contains the problems that I have collected for math team practice at Crossroads Academy in preparation for the AMC exams, MathCounts Competitions, and the AIME.
2017-18 Crossroads Math Team
- Perfect Numbers
- Expected Value Problems
- Platonic Solids and Planar Graphs
- Day of the Week Warmups
- Geomtery AIME Problems
- Arithmetic in different Bases
- Word Problems
- Old AMC Problems
- Divisibility and LCM/GCD
- Introduction to Counting
2016-17 AIME Preparation
- Polar Form
- Parametric Equations
- Old AIME problems
- Complex Numbers and Probability
- Inverse Functions and Logarithms
- Parametric Geometry
- Warmup Problems 5
- Warmup Problems 4
- Warmup Problems 3
- Warmup Problems 2
- Counting Problems
- Summation Notation Problems
- Trigonometry Formulas and Problems
- Warmup Problems 1
2016-17 New Hampshire Nationals Team
- Warmup Problems 4
- Warmup Problems 3
- Practice Team Round 2
- More Warmup Problems
- Clock Hand Problems
- Expected Value Problems
- Warmup Problems
- Practice Team Round
- More Counting Problems
- Nationals Geometry Problems
- 2016 Nationals Problems
- Computing days of the week + interactive calculator
- Path counting solutions
2016-17 Crossroads Math Team
- Playing Card Problems
- Path Counting Problems
- Dice Probability Problems
- Special Triangle Problems
- Geometry Area Problems
- Rate (d=rt) Problems
- Harmonic Mean
- Letter Arrangements
- Target Round Practice
- AMC 10A 2016 #17
- AMC 10 2017 #?
2015-16 Crossroads Math Team
- Lagrange Interpolation Notes
- Modular Arithmetic Problems III
- Passing Problems Worksheets
- Chinese Remainder Theorem Problems
- Chessboard Problems
- Leap Year and Calendar Problems
- Solutions to Stair Climbing Problems
- Solutions to some State level problems
- Path Counting Problems
- DIE and PIE Method Problems
- Cryptography Activities
- Forensic Accounting Activities
- Basic Counting Problems
- Modular Arithmetic Problems II
- Modular Arithmetic Problems I
- Classic Pirates + Coconuts Problem
- Geometric Probability Problems
- Warm Up Problems II
- Arithmetic Functions Problems
- Warm Up Problems
- Counting Models Problems