Subtract-a-Square is another nifty Nim variation that involves one of our favourite maths concepts - square numbers. We really like it and wanted to #PlayItForward in case you do too.
Maths Play acknowledges the Traditional Owners of the land on which we live, learn and work, and pay our respects to Elders past and present. Maths Play is dedicated to learning and operating in ways that acknowledge, respect, celebrate and learn from the original and beautiful cultures of these lands.