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A Knight’s Tour is a type of Hamiltonian path problem in graph theory.

The children had so much fun creating their own fractions using square, triangular and hexagonal paper that I wanted to continue this exploration with a view to my favorite fraction (1/2) and my passion for chess. We started with a single square with no shaded interior.

“Five out of four children have trouble with fractions.” I love this quote which is a parody on “4 out of 5 dentists recommend Crest toothpaste …..” When I survey adults, high schoolers, and middle schoolers about what were or are their biggest challenges in math, always their answer is ‘fractions’: “I hate fractions.”

This week we studied the first record of advanced mathematics called the Rhind Papyrus. It is not a theoretical treatise, but a list of practical problems encountered in administrative and building works. The text contains 84 problems concerned with numerical operations, practical problem-solving, and geometrical shapes.

Whenever I visit Revolutionary or Civil War battlegrounds, I always marvel at how ammunition was stored. Cannonballs were stacked in triangles of spheres and it was referred to as cannonballing.