The acronym P.E.M.D.A.S., also known as “Please Excuse My Dear Aunt Sally”, has long been a strategy for teaching the order of operations in mathematics classrooms.
Unfortunately – and incorrectly – P.E.M.D.A.S. has been used interchangeably with the phrase “order of operations”, leading to several misconceptions for students.
So, what’s the real problem with P.E.M.D.A.S.? Read the rest of this blog and more in today’s issue of Making Connections_Issue 1_MS Mathematics.
Me to the Power of Three 