GIFT EXCHANGE Probability, Counting and Combinatorics Sam, Pam, Ken and Jen are exchanging gifts for the holiday. Each name is written on a slip of paper and placed in a bowl. Sam is the first to randomly select a name from the bowl. What is the... 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 #20 - USING THE DIFFERENCE OF SQUARES TO SOLVE PROBLEMS Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk. Read More
MINI #23 - PERFECT SQUARES/USING A SIMPLER CASE TO SOLVE A PROBLEM Algebraic Expressions and Equations Video by Art of Problem Solving's Richard Rusczyk. Read More