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  2. Traditional mathematics - Wikipedia

    en.wikipedia.org/wiki/Traditional_mathematics

    The Common Core Standards, which have been adopted by most states since 2011, adopt such a mediating position for curricula, requiring students to achieve both procedural fluency and conceptual understanding. The Common Core does not endorse any particular teaching method, but does suggest students solve word problems using a variety of ...

  3. Common Core - Wikipedia

    en.wikipedia.org/wiki/Common_Core

    The Common Core State Standards Initiative, also known as simply Common Core, was an American, multi-state educational initiative begun in 2010 with the goal of increasing consistency across state standards, or what K–12 students throughout the United States should know in English language arts and mathematics at the conclusion of each school grade.

  4. Mathematics education in the United States - Wikipedia

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

    The 2006 NCTM Curriculum Focal Points have also been influential for its recommendations of the most important mathematical topics for each grade level through grade 8. However, some states have either abandoned, or never adopted, the Common Core standards, but instead instituted their own. (See Common Core implementation by state.) In fact ...

  5. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The Ancient Greeks of Athens and Asia Minor also used an indoor plumbing system, used for pressurized showers. [29] The Greek inventor Heron used pressurized piping for fire fighting purposes in the City of Alexandria. [30] An inverted siphon system, along with glass-covered clay pipes, was used for the first time in the palaces of Crete, Greece.

  6. Traditional water sources of Persian antiquity - Wikipedia

    en.wikipedia.org/wiki/Traditional_water_sources...

    This book mentions many qanats running at that time and irrigating a considerable area of farmland. At the same time, another book, entitled Jame’ al-Kheyrat, was written by Seyyed Rokn al-Din on the same subject as Rashid's book. In this book, Seyyed Rokn al-Din names the properties he donated in the region of Yazd.

  7. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    In education, mathematics is a core part of the curriculum and forms an important element of the STEM academic disciplines. Prominent careers for professional mathematicians include math teacher or professor, statistician, actuary, financial analyst, economist, accountant, commodity trader, or computer consultant. [181]

  8. Ancient crystals reveal the earliest evidence of fresh water ...

    www.aol.com/ancient-crystals-reveal-earliest...

    A new analysis of ancient grains of crystal embedded in rock from the Australian outback suggests Earth had dry land and fresh water some 4 billion years ago — a time when scientists had thought ...

  9. Mathematics education - Wikipedia

    en.wikipedia.org/wiki/Mathematics_education

    In modern times, there has been a move towards regional or national standards, usually under the umbrella of a wider standard school curriculum. In England, for example, standards for mathematics education are set as part of the National Curriculum for England, [31] while Scotland maintains its own educational system. Many other countries have ...