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The initiative began with 265 high schools piloting Illustrative Math for algebra, but many teachers hated the tightly scripted lesson plans, rigid schedule, and requirement that students work in ...
Kristin Umland is an American mathematician and mathematics educator. She was on the faculty of the Department of Mathematics & Statistics at University of New Mexico in Albuquerque, New Mexico for nearly two decades before leaving to help build the nonprofit organization Illustrative Mathematics (IM). [1]
Cathy Kessel is a U.S. researcher in mathematics education [1] and consultant, past-president of Association for Women in Mathematics, winner of the Association for Women in Mathematics Louise Hay Award, and a blogger on Mathematics and Education. [2] She served as an editor for Illustrative Mathematics from the end of 2015 through July 15 ...
An example of "beauty in method"—a simple and elegant visual descriptor of the Pythagorean theorem.. Mathematical beauty is the aesthetic pleasure derived from the abstractness, purity, simplicity, depth or orderliness of mathematics.
Icons of Mathematics: An Exploration of Twenty Key Images is a book on elementary geometry for a popular audience. It was written by Roger B. Nelsen and Claudi Alsina, and published by the Mathematical Association of America in 2011 as volume 45 of their Dolciani Mathematical Expositions book series.
A mathematical constant is a key number whose value is fixed by an unambiguous definition, often referred to by a symbol (e.g., an alphabet letter), or by mathematicians' names to facilitate using it across multiple mathematical problems. [1]
In mathematics, a set is countable if either it is finite or it can be made in one to one correspondence with the set of natural numbers. [a] Equivalently, a set is countable if there exists an injective function from it into the natural numbers; this means that each element in the set may be associated to a unique natural number, or that the elements of the set can be counted one at a time ...
Number theory is a branch of pure mathematics devoted primarily to the study of the integers and integer-valued functions. German mathematician Carl Friedrich Gauss said, "Mathematics is the queen of the sciences—and number theory is the queen of mathematics." Number theory also studies the natural, or whole, numbers.