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  2. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    Worksheet generators are often used to develop the type of worksheets that contain a collection of similar problems. A worksheet generator is a software program that quickly generates a collection of problems, particularly in mathematics or numeracy. Such software is often used by teachers to make classroom materials and tests.

  3. 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. Students in grades 4 and 8 are also assessed in skills relating to natural science, including the field of data ...

  4. Normal distribution - Wikipedia

    en.wikipedia.org/wiki/Normal_distribution

    In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable.The general form of its probability density function is = The parameter is the mean or expectation of the distribution (and also its median and mode), while the parameter is the variance.

  5. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Mathematics is a field of study that discovers and organizes abstract objects, methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures ...

  6. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    Multiplication table. In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for ...

  7. Mnemonic peg system - Wikipedia

    en.wikipedia.org/wiki/Mnemonic_peg_system

    Mnemonic peg system. The mnemonic peg system, invented by Henry Herdson, [ 1] is a memory aid that works by creating mental associations between two concrete objects in a one-to-one fashion that will later be applied to to-be-remembered information. [ 2] Typically this involves linking nouns to numbers and it is common practice to choose a noun ...

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