Little progress had been made in solving Ramsey problems since the 1930s. Now, researchers have found the answer to r(4,t), a longstanding Ramsey problem that has perplexed the math world for decades.
Learning and Teaching PK-12 (MTLT) is now available. In the issue's Front-and-Center article, "A New Audience for Assessment Results: The Children," the authors challenge the overreliance on ...
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