| Preparing for MATHCOUNTS or the AMC contests, and having a tough time with number theory problems? Read Art of Problem Solving's Introduction to Number Theory by Mathew Crawford. |
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Our High School Guide is for high school students who seek a challenge in mathematics beyond the classroom. If you are already to the point of preparing for national olympiads such as the USAMO, you should try our Olympiad Guide. Most high school students should start here. |

