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  2. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition , which results in a sum , while − represents subtraction , resulting in a difference . [ 1 ]

  3. Student engagement - Wikipedia

    en.wikipedia.org/wiki/Student_engagement

    Student engagement occurs when "students make a psychological investment in learning. They try hard to learn what school offers. They take pride not simply in earning the formal indicators of success (grades and qualifications), but in understanding the material and incorporating or internalizing it in their lives."

  4. Standards of Learning - Wikipedia

    en.wikipedia.org/wiki/Standards_of_Learning

    They address student achievement in four critical areas: (1) English, (2) mathematics, (3) science, and (4) history/social studies. Students are assessed in English and mathematics in grades 3-8 and upon completion of certain high school level courses.

  5. Sandy Hook Elementary School shooting - Wikipedia

    en.wikipedia.org/wiki/Sandy_Hook_Elementary...

    On December 14, 2012, a mass shooting occurred at the Sandy Hook Elementary School in Newtown, Connecticut, United States.The perpetrator, 20-year-old Adam Lanza, shot and killed 26 people. 20 of the victims were children between six and seven years old, and the other six were adult staff members.

  6. Symmetry in mathematics - Wikipedia

    en.wikipedia.org/wiki/Symmetry_in_mathematics

    The root system of the exceptional Lie group E 8.Lie groups have many symmetries. Symmetry occurs not only in geometry, but also in other branches of mathematics.Symmetry is a type of invariance: the property that a mathematical object remains unchanged under a set of operations or transformations.

  7. Paterson Public Schools - Wikipedia

    en.wikipedia.org/wiki/Paterson_Public_Schools

    As of the 2020–21 school year, the district, comprised of 50 schools, had an enrollment of 25,937 students and 1,916.0 classroom teachers (on an FTE basis), for a student–teacher ratio of 13.5:1. [1] For the 2014–15 school year, the district anticipated a budget with total expenditures of $591 million and per pupil spending of $16,696. [7]

  8. Algebra - Wikipedia

    en.wikipedia.org/wiki/Algebra

    Algebra is the branch of mathematics that studies certain abstract systems, known as algebraic structures, and the manipulation of statements within those systems.It is a generalization of arithmetic that introduces variables and algebraic operations other than the standard arithmetic operations such as addition and multiplication.

  9. Education in Croatia - Wikipedia

    en.wikipedia.org/wiki/Education_in_Croatia

    Primary and secondary education is essentially free because it is mostly sponsored by the Ministry of Education of the government of Croatia.Higher education is also mostly free because the government funds all public universities and allows them to set quotas for free enrollment, based on students' prior results (usually high school grades and their scores on a set of exams at enrollment).

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