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Quizlet's primary products include digital flash cards, matching games, practice electronic assessments, and live quizzes. In 2017, 1 in 2 high school students used Quizlet. [ 4 ] As of December 2021, Quizlet has over 500 million user-generated flashcard sets and more than 60 million active users.
A synonym for a function between sets or a morphism in a category. Depending on authors, the term "maps" or the term "functions" may be reserved for specific kinds of functions or morphisms (e.g., function as an analytic term and map as a general term). mathematics See mathematics. multivalued
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Kumon (the company) gained 63,000 students over its first 16 years. In 1974, Kumon published a book titled The Secret of Kumon Math , leading to a doubling of its size in the next two years. [ 2 ] Kumon opened its first United States locations in 1983, [ 3 ] and by 1985, Kumon reached 1.4 million students.
A flashcard or flash card is a card bearing information on both sides, usually intended to practice and/or aid memorization. It can be virtual (part of a flashcard software) or physical. Typically, each flashcard bears a question or definition on one side and an answer or target term on the other.
Memrise is a British language platform that uses spaced repetition of flashcards to increase the rate of learning. [2] It is based in London, UK. Memrise offers user-generated content on a wide range of other subjects. The Memrise app has courses in 16 languages and its combinations, while the website for "community courses" has a great many more languages a
Thus, to "take the reins" means to assume control, and to have "free rein" means to be free of constraints. [73] Standard: From dozens of ideas floated to rein in skyrocketing costs of Oregon's public pension system, Gov. John Kitzhaber and lawmakers two years ago pinned their hopes on one, risky option. [74]
According to W.H. Thorpe, the term was devised by C. Lloyd Morgan (1852–1936) after trying out similar phrases "trial and failure" and "trial and practice". [3] Under Morgan's Canon, animal behaviour should be explained in the simplest possible way. Where behavior seems to imply higher mental processes, it might be explained by trial-and ...