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  2. JumpStart 1st Grade - Wikipedia

    en.wikipedia.org/wiki/JumpStart_1st_Grade

    JumpStart 1st Grade (known as Jump Ahead Year 1 in the United Kingdom) is a personal computer game created by Knowledge Adventure in 1995 intended to teach a first grade curriculum. It was reissued in 1999 with new box art, was updated significantly in 2000, and was replaced with JumpStart Advanced 1st Grade in 2002, which was later replaced ...

  3. List of important publications in mathematics - Wikipedia

    en.wikipedia.org/wiki/List_of_important...

    The first book on the systematic algebraic solutions of linear and quadratic equations by the Persian scholar Muhammad ibn Mūsā al-Khwārizmī. The book is considered to be the foundation of modern algebra and Islamic mathematics. [10] The word "algebra" itself is derived from the al-Jabr in the title of the book. [11]

  4. Dick and Jane - Wikipedia

    en.wikipedia.org/wiki/Dick_and_Jane

    Fun With Dick and Jane. Dick and Jane are the two protagonists created by Zerna Sharp for a series of basal readers written by William S. Gray to teach children to read. The characters first appeared in the Elson-Gray Readers in 1930 and continued in a subsequent series of books through the final version in 1965.

  5. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Around 300 BC, Euclid organized mathematical knowledge by way of postulates and first principles, which evolved into the axiomatic method that is used in mathematics today, consisting of definition, axiom, theorem, and proof. [78] His book, Elements, is widely considered the most successful and influential textbook of all time. [79]

  6. Elementary function arithmetic - Wikipedia

    en.wikipedia.org/wiki/Elementary_function_arithmetic

    Elementary recursive arithmetic (ERA) is a subsystem of primitive recursive arithmetic (PRA) in which recursion is restricted to bounded sums and products. This also has the same Π 2 0 {\displaystyle \Pi _{2}^{0}} sentences as EFA, in the sense that whenever EFA proves ∀x∃y P ( x , y ), with P quantifier-free, ERA proves the open formula P ...

  7. Sampling (statistics) - Wikipedia

    en.wikipedia.org/wiki/Sampling_(statistics)

    To do this, we could allocate the first school numbers 1 to 150, the second school 151 to 330 (= 150 + 180), the third school 331 to 530, and so on to the last school (1011 to 1500). We then generate a random start between 1 and 500 (equal to 1500/3) and count through the school populations by multiples of 500.

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