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  2. List of formulas in elementary geometry - Wikipedia

    en.wikipedia.org/wiki/List_of_formulas_in...

    The basic quantities describing a sphere (meaning a 2-sphere, a 2-dimensional surface inside 3-dimensional space) will be denoted by the following variables . is the radius,

  3. Geometry - Wikipedia

    en.wikipedia.org/wiki/Geometry

    Geometry (from Ancient Greek γεωμετρία (geōmetría) 'land measurement'; from γῆ (gê) 'earth, land' and μέτρον (métron) 'a measure') [1] is a branch of mathematics concerned with properties of space such as the distance, shape, size, and relative position of figures. [2]

  4. Algebraic geometry - Wikipedia

    en.wikipedia.org/wiki/Algebraic_geometry

    Algebraic geometry is a branch of mathematics which uses abstract algebraic techniques, mainly from commutative algebra, to solve geometrical problems.Classically, it studies zeros of multivariate polynomials; the modern approach generalizes this in a few different aspects.

  5. Seventh grade - Wikipedia

    en.wikipedia.org/wiki/Seventh_grade

    New topics sometimes include scientific notation, concepts with negative numbers or integers, and more advanced geometry. [1] Some schools allow advanced students to take an Algebra I course instead of following the standard 7th grade math curriculum. In social studies, advanced pre-Civil War History is taught. Though American history is ...

  6. Math wars - Wikipedia

    en.wikipedia.org/wiki/Math_wars

    The largest supporter of reform in the US has been the National Council of Teachers of Mathematics. [4]One aspect of the debate is over how explicitly children must be taught skills based on formulas or algorithms (fixed, step-by-step procedures for solving math problems) versus a more inquiry-based approach in which students are exposed to real-world problems that help them develop fluency in ...

  7. Pennsylvania System of School Assessment - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_System_of...

    The Pennsylvania System of School Assessment (PSSA) is a standardized test administered in public schools in the state of Pennsylvania.Students in grades 3-8 are assessed in English language arts skills and mathematics.