Donate
Thank you for your interest in donating! Your contribution will help us continue serving students across Orange County and the world, empowering girls with a passion for mathematics. All profits from donations will be used to continue our initiatives, ensuring we are able to spread a love of mathematics to as many girls as possible. If you would like to donate, please visit the website of our parent organization, STEAM for All, for more information at https://www.steamforall.org/donate.
Our Books
Our organization has published 4 books for students who want to improve their problem-solving skills. Check them out below!

The Original Collection of Math Contest Problems: Elementary and Middle School
This edition is used by elementary and middle school students to excel in MATHCOUNTS, Math Olympiads, and beyond. Covering the areas of Algebra, Geometry, Counting, and Probability, and Number Sense, over 500 examples and problems with fully explained solutions represent the commonly seen competition questions and essential strategies experienced and developed by all the authors throughout their math careers from MATHCOUNTS to the USA(J)MO.

The Original Collection of Math Contests: Lessons and Problems for Elementary School
This edition for elementary students contains six topical lessons and two full years of OCMC’s Thanksgiving Tournament for grades 3 through 6. With over 400 problems with full solutions, this book is a great resource for elementary schoolers looking to get started with competition math, sharpen their skills, or simply enjoy the process of learning.

The Original Collection of Math Contest Problems (Volume 3: For the Curious High Schooler)
The Original Collection of Math Contest Problems Volume 3: For the Curious High Schooler contains new, original problems written by members of the Orange County Math Circle. There are many questions in each of four subjects (Algebra, Combinatorics, Geometry, and Number Theory) that are geared towards high schoolers and advanced middle schoolers. With full, detailed solutions, this book is a great resource for middle and high school students to hone their skills and practice on a wide range of problems.

A Great Collection of Math Tournament Problems
This edition is for students in grades 3-6 who are looking to improve their problem-solving skills. It consists of past All Girls Math Tournament tests along with thorough step-by-step solutions, covering various math topics including Geometry, Algebra, Number Theory, Counting, and Probability. It is written by volunteers of the All Girls Math Tournament who are committed to encouraging more girls to pursue STEM fields.