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  2. 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.

  3. State of matter - Wikipedia

    en.wikipedia.org/wiki/State_of_matter

    In physics, a state of matter is one of the distinct forms in which matter can exist. Four states of matter are observable in everyday life: solid, liquid, gas, and plasma. Many intermediate states are known to exist, such as liquid crystal, and some states only exist under extreme conditions, such as Bose–Einstein condensates and Fermionic ...

  4. Academic grading in the United States - Wikipedia

    en.wikipedia.org/wiki/Academic_grading_in_the...

    t. e. In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions generally vary from ...

  5. State of Texas Assessments of Academic Readiness - Wikipedia

    en.wikipedia.org/wiki/State_of_Texas_Assessments...

    The State of Texas Assessments of Academic Readiness, commonly referred to as its acronym STAAR (/ stɑːr / STAR), is a series of standardized tests used in Texas public primary and secondary schools to assess a student's achievements and knowledge learned in the grade level. It tests curriculum taught from the Texas Essential Knowledge and ...

  6. Mathematics education in the United States - Wikipedia

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

    e. Mathematics education in the United States varies considerably from one state to the next, and even within a single state. However, with the adoption of the Common Core Standards in most states and the District of Columbia beginning in 2010, mathematics content across the country has moved into closer agreement for each grade level.

  7. Phase transition - Wikipedia

    en.wikipedia.org/wiki/Phase_transition

    In physics, chemistry, and other related fields like biology, a phase transition (or phase change) is the physical process of transition between one state of a medium and another. Commonly the term is used to refer to changes among the basic states of matter : solid , liquid , and gas , and in rare cases, plasma .

  8. Fourth grade - Wikipedia

    en.wikipedia.org/wiki/Fourth_grade

    In Germany, the equivalent grade is 4. Klasse. In most German states this is the year where parents have to decide what kind of school their children should master: The "Mittelschule" that usually ends with 9th grade, the "Realschule" that ends with 10th grade and allows pupils to get a better starting point for their choice of working place or ...

  9. Standards-based education reform in the United States

    en.wikipedia.org/wiki/Standards-based_education...

    The SBE (standards-based education) reform [2] movement calls for clear, measurable standards for all school students. Rather than norm-referenced rankings, [3] a standards-based system measures each student against the concrete standard. Curriculum, assessments, and professional development are aligned to the standards.