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new math

American

noun

a unified, sequential system of teaching arithmetic and mathematics in accord with set theory so as to reveal basic concepts: used in some U.S. schools, especially in the 1960s and 1970s.

Etymology

Origin of new math

First recorded in 1965–70

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The U.S. auto industry faces sobering new math: Some one million prospective buyers have defected from the new-car market since the start of the decade—and they aren’t expected back soon.

From The Wall Street Journal • May 28, 2026

“We believe investors are still underestimating the new math of memory in the AI age. The bigger the models, the more memory they require,” Luria wrote.

From Barron's • May 11, 2026

“This new math can simulate them, because it computes the same way nature does.”

From MarketWatch • Nov. 12, 2025

But she couldn’t have anticipated the quick surge in interest rates the following year and, even with a large down payment, the new math made her uneasy.

From New York Times • May 9, 2024

He’d just have to bring his mad new math skills with him into the cave.

From "The Smartest Kid in the Universe" by Chris Grabenstein

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023