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  2. McGuffey Readers - Wikipedia

    en.wikipedia.org/wiki/McGuffey_Readers

    The third Reader taught the definitions of words and was written at a level equivalent to the modern 5th or 6th grade. The fourth Reader was written for the highest levels of ability on the grammar school level. [5] McGuffey's Readers were among the first textbooks in the United States designed to be increasingly challenging with each volume.

  3. List of mathematical abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_mathematical...

    def – define or definition. deg – degree of a polynomial, or other recursively-defined objects such as well-formed formulas. (Also written as ∂.) del – del, a differential operator. (Also written as.) det – determinant of a matrix or linear transformation. DFT – discrete Fourier transform.

  4. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    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.

  5. Glossary of physics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_physics

    test particle theoretical physics A branch of physics that employs mathematical models and abstractions of physical objects and systems in order to rationalize, explain, and predict natural phenomena, as opposed to experimental physics, which relies on data generated by experimental observations. theory of everything (ToE) theory of relativity

  6. Flashcard - Wikipedia

    en.wikipedia.org/wiki/Flashcard

    Typically, each flashcard bears a question or definition on one side and an answer or target term on the other. As such, flashcards are often used to memorize vocabulary , historical dates, formulae, or any subject matter that can be learned via a question-and-answer format.

  7. AP Physics C: Mechanics - Wikipedia

    en.wikipedia.org/wiki/AP_Physics_C:_Mechanics

    Before 2006, test-takers paid only once and were given the choice of taking either one or two parts of the Physics C test. This was changed so that now test-takers have to pay twice to take both parts of the AP Physics C test. As a result of the 2019–20 coronavirus pandemic, the AP examination in 2020 was taken online. The topics of ...

  8. AP Physics 2 - Wikipedia

    en.wikipedia.org/wiki/AP_Physics_2

    Advanced Placement (AP) Physics 2 is a year-long introductory physics course administered by the College Board as part of its Advanced Placement program. It is intended to proxy a second-semester algebra-based university course in thermodynamics, electromagnetism, optics, and modern physics. [1]

  9. Early reader - Wikipedia

    en.wikipedia.org/?title=Early_reader&redirect=no

    From Wikipedia, the free encyclopedia. Redirect page