## Is Mathematics Really What You Think?

February 26, 2015 Leave a comment

Math and Logic Puzzles

February 26, 2015 Leave a comment

February 19, 2015 Leave a comment

The complete list of mathematics competitions includes more than 400 links to international and national competitions.

http://en.wikipedia.org/wiki/List_of_mathematics_competitions

February 3, 2015 Leave a comment

Find the area of the rectangle if the numbers show the areas of the corresponding triangles.

Find the area of the shape.

How many squares of all different sizes are on a chessboard?