DIVISIBILITY RULES Number Theory Mathletes will apply divisibility rules of various integers to simplify computation, better understand number composition and aid in problem solving. In the extension, Mathletes can prove why each of... Read More
MINI #32 - USING ALGEBRA AND NUMBER SENSE AS SHORTCUTS Algebraic Expressions and Equations Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #33 - MORE CONSTRUCTIVE COUNTING Number Theory Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #24 - FINDING SIMPLER WAYS TO APPROACH A COMPLEX PROBLEM Probability, Counting and Combinatorics Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #14 - NUMBER SENSE/RIDDLES WITH REMAINDERS AND PERFECT SQUARES Algebraic Expressions and Equations Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #13 - COUNTING THE NUMBER OF SUBSETS OF A SET Number Theory Probability, Counting and Combinatorics Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #49 - BASES AND POWERS Algebraic Expressions and Equations Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #57 - NUMBER SENSE: LOOKING FOR PATTERNS Number Theory Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #64 - MORE THAN ONE WAY TO SOLVE A PROBLEM Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #67 - OPTIMIZATION PROBLEMS Problem Solving (Misc.) Video by Art of Problem Solving's Richard Rusczyk. Read More