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  2. Word problem (mathematics education) - Wikipedia

    en.wikipedia.org/wiki/Word_problem_(mathematics...

    Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.

  3. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    The word mathematics comes from Ancient Greek máthēma (μάθημα), meaning "that which is learnt", "what one gets to know", hence also "study" and "science". The word came to have the narrower and more technical meaning of "mathematical study" even in Classical times.

  4. Worksheet - Wikipedia

    en.wikipedia.org/wiki/Worksheet

    A worksheet, in the word's original meaning, is a sheet of paper on which one performs work. They come in many forms, most commonly associated with children's school work assignments, tax forms, and accounting or other business environments. Software is increasingly taking over the paper-based worksheet. It can be a printed page that a child ...

  5. Fourth grade - Wikipedia

    en.wikipedia.org/wiki/Fourth_grade

    In Portugal, what North Americans would call the fourth grade ( quarto ano, 4º ano to Portuguese people) is the fourth and last year of the four-year 1º Ciclo do Ensino Básico which also includes the first grade, the second grade, and the third grade. [7] Students take final exams ( provas finais) for Portuguese and Mathematics at the end of ...

  6. Exclusive: Zeck, cofounded by Edward Norton, raises $7.5 ...

    www.aol.com/finance/exclusive-zeck-cofounded...

    Zeck, a board presentation software startup cofounded by actor and entrepreneur Edward Norton, has raised a Series A led by Salesforce Ventures. Coinvestors include Khosla Ventures and Breyer Capital.

  7. Wheat and chessboard problem - Wikipedia

    en.wikipedia.org/wiki/Wheat_and_chessboard_problem

    The problem may be solved using simple addition. With 64 squares on a chessboard, if the number of grains doubles on successive squares, then the sum of grains on all 64 squares is: 1 + 2 + 4 + 8 + ... and so forth for the 64 squares. The total number of grains can be shown to be 2 64 −1 or 18,446,744,073,709,551,615 (eighteen quintillion ...

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