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  2. Math wars - Wikipedia

    en.wikipedia.org/wiki/Math_wars

    In the United States, math wars are debates over modern mathematics education, textbooks and curricula that were triggered by the publication in 1989 of the Curriculum and Evaluation Standards for School Mathematics by the National Council of Teachers of Mathematics (NCTM) and subsequent development and widespread adoption of a new generation of mathematics curricula inspired by these standards.

  3. Mathematics education in the United States - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education_in...

    The American high-school geometry curriculum was eventually codified in 1912 and developed a distinctive American style of geometric demonstration for such courses, known as "two-column" proofs. [49] This remains largely true today, with Geometry as a proof-based high-school math class.

  4. List of conflicts in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_conflicts_in_the...

    This is a list of conflicts in the United States.Conflicts are arranged chronologically from the late modern period to contemporary history.This list includes (but is not limited to) the following: Indian wars, skirmishes, wars of independence, liberation wars, colonial wars, undeclared wars, proxy wars, territorial disputes, and world wars.

  5. List of wars involving the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_wars_involving_the...

    This is a list of military conflicts, that United States has been involved in. There are currently 123 military conflicts on this list, 5 of which are ongoing. These include major conflicts like the American Revolutionary War, the War of 1812, the Mexican–American War, the American Civil War, the Spanish-American War, World War I, World War II and the Gulf War.

  6. Secondary education in the United States - Wikipedia

    en.wikipedia.org/wiki/Secondary_education_in_the...

    In addition to Pre-Algebra and other high school mathematics prep courses, Algebra I and Geometry are both commonly taught. Schools also offer Earth Science, Life Science, or Physical Science classes. Physical education classes (also called "PE", "phys ed", Kinesiology, or "gym") are usually mandatory for various periods.

  7. Military history of North America - Wikipedia

    en.wikipedia.org/wiki/Military_History_of_North...

    The mid-19th century saw a number of conflicts, including the Mexican–American War; and two French interventions in Mexico, the first from 1838 to 1839, and the second from 1861 to 1866. The end of the century saw the expulsion of the Spanish from their last major territories on the continent during the Spanish–American War.

  8. History of algebra - Wikipedia

    en.wikipedia.org/wiki/History_of_algebra

    The word "algebra" is derived from the Arabic word الجبر al-jabr, and this comes from the treatise written in the year 830 by the medieval Persian mathematician, Al-Khwārizmī, whose Arabic title, Kitāb al-muḫtaṣar fī ḥisāb al-ğabr wa-l-muqābala, can be translated as The Compendious Book on Calculation by Completion and Balancing.

  9. American history wars - Wikipedia

    en.wikipedia.org/wiki/American_history_wars

    The American history wars refers to ongoing academic and popular debates surrounding the character and culture of the United States. The term has been used by journalists and academics to describe debates over the teaching of Critical race theory and other issues relating to the Historiography of the United States .

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