noun: (US, education, historical) A dramatic and short-lived change in the teaching of mathematics in grade schools in the 1960s, focusing on abstract topics such as symbolic logic, to the detriment of simple arithmetic etc.
noun: (derogatory, by extension) The methodology used to arrive at an unreasonably incorrect answer for a mathematical calculation.
noun: Alternative form of new math [(US, education, historical) A dramatic and short-lived change in the teaching of mathematics in grade schools in the 1960s, focusing on abstract topics such as symbolic logic, to the detriment of simple arithmetic etc.]
