If Friday the 13th is a bad luck day, does that imply that Monday the 13th is a good luck day? Compose a logical argument for this question. Whoever sends in the best logical argument, arguing either side of this question, wins a Singing Turtle reward. Read the post to find out the details.

# Archive | Problem of the Week

# Answer to Fun Math Problem #2

Answer to Fun Math Problem #2.

# Fun Math Problem #2

Math problem that deals with the hands of a clock.

# Problem of the Week – 10/18/2010

Problem of the Week on how to find distance from one point to another, for two people on a sightseeing trip through the western United States.

# Problem of the Week — Answer

Which two digit numerals will reflect and look the same across the horizontal axis? Which will reflect across the vertical axis?

# Problem of the Week-10/1/2010

Fun Problem of the Week, to be attempted by anyone who likes puzzles.

# Problem of the Week – Answer

Problem about the overlapping members of two clubs.

# Problem of the Week — 9/24/2010

Problem of the Week — 9/24/2010

# Answer to Problem of the Week

Answer to the 9/17/2010 Problem of the Week

# Problem of the Week, 9/17/10: “Flying Flora”

Fun word problem regarding rate, time and distance, but without a given distance. How do you solve it?