Puzzles & Recreational Math

This section is for fun. I've collected solutions to puzzles from FiveThirtyEight's Riddler, Math Olympiad problems, and other brain teasers I've enjoyed over the years. If you're here to evaluate me as a PM, feel free to skip this—but if you enjoy puzzles too, pull up a chair.

Featured Explorations

Curated collection of mathematical adventures

Islamic Geometric Patterns

My implementation of some of the ideas in Python from the book - Islamic Geometric Patterns

A surprising polygon formula

Problem of the Week from Stan Wagon.

142857 - A remarkable number

Surprising properties of cyclic numbers.

Knights on a chess board

The power and beauty of Markov Chains.

Inversion - A beautiful idea from Geometry

A few problems illustrating the power of inversion.

Unusual Crossword

An unusual crossword based on the first 30 digits of pi.

Weighted Distance Puzzle

Exploring weighted distance metrics and optimization

Solving the Bedlam Cube puzzle using computational methods

Putnam 2024 Solutions

My solutions to two problems from the 2024 Putnam Exam

BMO/CMO Problems

British and Canadian Mathematical Olympiad problems

Cherry Blossom Puzzle

Elegant geometric puzzle

Cozy Circles Puzzle

Inscribing circles in regular polygons

Mathematical puzzle from The Riddler

Hottest NYT Puzzle

New York Times puzzle solution

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Books

Comprehensive problem-solving guides

Problem-Solving Through Problems

Solutions to Loren C. Larson's classic problem-solving text

Mathematical Problem Book

Solving challenging problems using Mathematica

High School Mathematics Problems

Curated collection for secondary school students

Riddler Puzzle Solutions

Comprehensive collection of solutions to FiveThirtyEight's Riddler puzzles

Solving Logic Puzzles

Complete guide to systematic logic puzzle solving

GCSE Physics

Physics study guide for GCSE level

Free for educational use. All materials available for students and educators. Questions? Get in touch.