(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.
She quickly calculated the tip to be $45.00 on the restaurant tab of $110.50, apparently using new math.
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(pejorative, by extension) The methodology used to arrive at an unreasonably incorrect answer for a mathematical calculation.
She quickly calculated the tip to be $45.00 on the restaurant tab of $110.50, apparently using new math.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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