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  2. GCE Ordinary Level in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/GCE_Ordinary_Level_in_Sri...

    It is usually taken by students during the final two years of Senior secondary school (Grade 10 & 11 (usually ages 15–16)) or external (non-school) candidate. The exam is usually held in December. The exams are held in three mediums Sinhala , Tamil and English .

  3. Addison-Wesley Secondary Math: An Integrated Approach: Focus ...

    en.wikipedia.org/wiki/Addison-Wesley_Secondary...

    Senator Robert Byrd, Democrat from West Virginia, joined critics of reform mathematics on the floor of the Senate by dubbing Focus on Algebra "whacko algebra". [4] It had received an "F" grade on a report card produced by Mathematically Correct, a back-to-basics group, who claimed that it had no algebraic content on the first hundred pages. [5]

  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. Additional Mathematics - Wikipedia

    en.wikipedia.org/wiki/Additional_Mathematics

    Additional Mathematics in Malaysia—also commonly known as Add Maths—can be organized into two learning packages: the Core Package, which includes geometry, algebra, calculus, trigonometry and statistics, and the Elective Package, which includes science and technology application and social science application. [7]

  6. Graded structure - Wikipedia

    en.wikipedia.org/wiki/Graded_structure

    In mathematics, the term "graded" has a number of meanings, mostly related: . In abstract algebra, it refers to a family of concepts: . An algebraic structure is said to be -graded for an index set if it has a gradation or grading, i.e. a decomposition into a direct sum = of structures; the elements of are said to be "homogeneous of degree i ".

  7. Subalgebra - Wikipedia

    en.wikipedia.org/wiki/Subalgebra

    The 2×2-matrices for which all entries are zero, except for the first one on the diagonal, form a subalgebra. It is also unital, but it is not a unital subalgebra. The identity element of M(2,R) is the identity matrix I , so the unital subalgebras contain the line of diagonal matrices {x I : x in R}. For two-dimensional subalgebras, consider

  8. Algebra - Wikipedia

    en.wikipedia.org/wiki/Algebra

    Algebra is the branch of mathematics that studies algebraic structures and the operations they use. [1] An algebraic structure is a non-empty set of mathematical objects , such as the integers , together with algebraic operations defined on that set, like addition and multiplication .

  9. Education in Sri Lanka - Wikipedia

    en.wikipedia.org/wiki/Education_in_Sri_Lanka

    After primary education, the junior secondary level (referred to as middle school in some schools) lasts for 4 years (Grades 6-9) followed by 2 years (Grades 10-11) of the senior secondary level which is the preparation for the General Certificate of Education (G.C.E) Ordinary Level (O/Ls). According to the Sri Lankan law, it is compulsory that ...

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