Numerals that Count Themselves

For the solution, click here.

The Chopsticks Problem

Solution:  

We can make any number of triangles from 1 up to 10.  There are multiple solutions for each number.  For examples, click here.

Pig Ear-Notching Problem

For the solution, click here.

Falling Origami Papers Problem

For the solution, click "Read More" below.

The Fish Problem

For the solution, click here.