### Random Cool Math Thing #3

Odd Perfect Squares

Out of the Math Box!

Activities, Writings, and Videos by Debra K. Borkovitz

Odd Perfect Squares

Pythagorean Card Table

Night Boat Photography

Lex was my advisee, who died unexpectedly and tragically. His parents set up a scholarship in his memory for boys without parents. There was an article about it in the Boston Globe.

Making a multiplication table is an excellent beginning Excel Activity. This video shows an efficient way to do it using absolute references, but there are many other approaches. I use an open-ended handout for this activity in class. This video … Read More