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Number Theory for AMC 8: The Ultimate Foundation

Master Primes, Divisibility, and Remainder Logic for Middle School Competitions

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Number Theory is the "Secret Weapon" of the AMC 8.

In the AMC 8 (American Mathematics Competitions), Number Theory questions—involving primes, remainders, and divisibility—often make up 20-30% of the exam. Yet, most middle school students are never taught these concepts in regular class.

They know how to divide, but they don't understand divisibility logic. They know what a prime number is, but they can't use prime factorization to solve complex word problems.

Number Theory for AMC 8 closes that gap. Written by Rohan Kumar Singh (IIT Madras Alumnus & International Olympiad Gold Medalist), this book builds the mathematical intuition required to crack the hardest problems in middle school competitions.

WHAT YOU WILL MASTER:

  • The Building Blocks: Deep dive into Primes, Composites, and the Fundamental Theorem of Arithmetic.

  • The Speed Hacks: Master advanced Divisibility Rules (7, 11, 13) to check numbers instantly without long division.

  • The Logic of Remainders: An introduction to Modular Arithmetic ("Clock Math") simplified for middle schoolers.

  • The Problem Solvers: Learn to use LCM and GCD to solve real-world scheduling and tiling problems.

THE EDUGLOBAL METHOD

This book adapts the high-performance curriculum of EduGlobal Institute for younger students:

  1. Visual Explanations: No dense jargon. We use diagrams and patterns.

  2. Step-by-Step Solutions: Every example walks you through the logic.

  3. MathCounts & AMC 8 Archive: Practice with questions modeled after real exams.

ABOUT THE AUTHOR

Rohan Kumar Singh is the Founder & Chief Mentor at EduGlobal Institute. An IIT Madras Alumnus and International Olympiad Gold Medalist, Rohan specializes in spotting gifted talent early.

Don't let Number Theory be the reason you miss the Honor Roll.

Master the foundation today.
AMC 8 Preparation Book Middle School Math

MathCounts Competition Problems Solutions

Number Theory for Kids Gifted Education

Prealgebra Honors Problem Solving Strategy

Divisibility Rules Prime Factorization LCM GCD

EduGlobal Rohan Kumar Singh Olympiad Foundation

Art of Problem Solving Intro to Number Theory