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  2. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    A simple fraction (also known as a common fraction or vulgar fraction) [n 1] is a rational number written as a/b or ⁠ ⁠, where a and b are both integers. [9] As with other fractions, the denominator (b) cannot be zero. Examples include ⁠ 1 / 2 ⁠, − ⁠ 8 / 5 ⁠, ⁠ −8 / 5 ⁠, and ⁠ 8 / −5 ⁠.

  3. Lowest common denominator - Wikipedia

    en.wikipedia.org/wiki/Lowest_common_denominator

    For example, the numerators of fractions with common denominators can simply be added, such that + = and that <, since each fraction has the common denominator 12. Without computing a common denominator, it is not obvious as to what 5 12 + 11 18 {\displaystyle {\frac {5}{12}}+{\frac {11}{18}}} equals, or whether 5 12 {\displaystyle {\frac {5 ...

  4. JumpStart Adventures 5th Grade: Jo Hammet, Kid Detective

    en.wikipedia.org/wiki/JumpStart_Adventures_5th...

    JumpStart Adventures 5th Grade: Jo Hammet, Kid Detective covers curricula subjects such as art history, geography, math, language, science, and US History. Throughout the course of the game, which is set in the fictional city of Hooverville, the user must (while playing the role of female fifth grade detective Jo Hammet) thwart the schemes of the evil Dr. X, who is planning to destroy ...

  5. Addition - Wikipedia

    en.wikipedia.org/wiki/Addition

    The total amount of shapes are 5, which is a consequence of the addition of the objects from the two sets (3 + 2 = 5). Possibly the most basic interpretation of addition lies in combining sets : When two or more disjoint collections are combined into a single collection, the number of objects in the single collection is the sum of the numbers ...

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    This is known as math anxiety or math phobia, and is considered the most prominent of the disorders impacting academic performance. Math anxiety can develop due to various factors such as parental and teacher attitudes, social stereotypes, and personal traits.

  7. Long division - Wikipedia

    en.wikipedia.org/wiki/Long_division

    Caldrini (1491) is the earliest printed example of long division, known as the Danda method in medieval Italy, [4] and it became more practical with the introduction of decimal notation for fractions by Pitiscus (1608). The specific algorithm in modern use was introduced by Henry Briggs c. 1600. [5]

  8. Grading systems by country - Wikipedia

    en.wikipedia.org/wiki/Grading_systems_by_country

    From the 10th grade onwards, including tertiary education, a 20-point grading scale is used, with 10 passing grades and 10 failing grades, with 20 being the highest grade possible and 9.5, rounded upwards to 10, the minimum grade for passing. This 20-point system is used both for test scores and grades.

  9. List of Indian inventions and discoveries - Wikipedia

    en.wikipedia.org/wiki/List_of_Indian_inventions...

    Combinatorics – the Bhagavati Sutra had the first mention of a combinatorics problem; the problem asked how many possible combinations of tastes were possible from selecting tastes in ones, twos, threes, etc. from a selection of six different tastes (sweet, pungent, astringent, sour, salt, and bitter).

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