Date 
Topics 
First Semester 
20120917, Session 1 
Welcome back session (problemsolving) 
20120924, Session 2 
Pigeonhole Principle.
Homework. 
20121001, Session 3 
Generalized Pigeonhole Principle and proof by
contradiction. Homework. 
201210 08, Session 4 
Math Auction 
20121015, Session 5 
Pigeonhole Principle and geometric problems 
20121022, Session 6 
Graphs: introduction. Homework. 
20121029, Session 7 
Graphs: definitions etc. 
20121106, Session 8 
Graphs: theorem about even number of odd vertices 
20121120, Session 9 
Isomorphic graphs. Homework. 
20121128, Session 10 
Math Hockey and Problemsolving. 
Second Semester 
20121203, Session 11 
Winter Olympiad 
20121210, Session 12 
Olympiad review. Euler Graphs 
20121217, Session 13 
Math Dominoes 
20130107, Session 14 
Problemsolving technique: different ways to
calculate the same answer. Problem about two monochromatic
triangles in a 6vertex graph

20130114, Session 15 
Divisibility and prime factorization review. Homework. 
20130128, Session 16 
Divisibility: GCF and LCM 
20130205, Session 17 
Math Auction. Homework. 
20130212, Session 18 
Binary numbers 
20130226, Session 19 
Binary numbers: how big are they? 
20130303, Session 20 
Math Dominoes 
Third Semester 
20130319, Session 21 
Problems on effective binary sorting 
20130326, Session 22 
Geometry 1 
20130401, Session 23 
Invariants. Homework. 
20130415, Session 24 
Geometry 2: the axioms 
20130423, Session 25 
Pirates and sharing the loot 
20130430, Session 26 
Problem solving session 
20130506, Session 27 
Math Auction 
20130513, Session 28 
Strategic games and wining positions 
20130520, Session 29 
Strategic games and wining positions 
20130605, Session 30 
Endoftheyear Olympiad 
Prime Factor Math Circle is a nonprofit organization. The
goal of Prime Factor is to engage school children in the world of
extracurricular mathematics with the purpose of developing their math
knowledge, problem solving skills and creative thinking abilities. We have a
lot of plans and ideas how to grow and expand. We welcome donations and we will put
them to a good use.