MINI #71 - NUMBER SENSE PROBLEMS WITH PATTERNS AND REMAINDERS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #75 - STRATEGIC GUESSING USING DIVISIBILITY RULES Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #79 - MORE BASES AND POWERS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #89 - LOOKING FOR PATTERNS AND OTHER STRATEGIES Number Theory Sequences, Series and Patterns Video by Art of Problem Solving's Richard Rusczyk. Read More
MODULAR ARITHMETIC Algebraic Expressions and Equations Number Theory Explore Modular Arithmetic by working with remainders to solve problems about very large numbers. Read More
BASICS OF BASES Number Theory Problem Solving (Misc.) Mathletes are likely most comfortable working with numbers in base 10, but there are many other number systems to explore - other integer bases, fractional bases, and even negative bases. This plan... Read More