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  2. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    110 ÷ 5 = 22 (The result is the same as the original number divided by 5) If the last digit is 5. 85 (The original number) 8 5 (Take the last digit of the number, and check if it is 0 or 5) 8 5 (If it is 5, take the remaining digits, discarding the last) 8 × 2 = 16 (Multiply the result by 2) 16 + 1 = 17 (Add 1 to the result)

  3. Division algorithm - Wikipedia

    en.wikipedia.org/wiki/Division_algorithm

    Long division is the standard algorithm used for pen-and-paper division of multi-digit numbers expressed in decimal notation. It shifts gradually from the left to the right end of the dividend, subtracting the largest possible multiple of the divisor (at the digit level) at each stage; the multiples then become the digits of the quotient, and the final difference is then the remainder.

  4. Division (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Division_(mathematics)

    In terms of partition, 20 / 5 means the size of each of 5 parts into which a set of size 20 is divided. For example, 20 apples divide into five groups of four apples, meaning that "twenty divided by five is equal to four". This is denoted as 20 / 5 = 4, or ⁠ 20 / 5 ⁠ = 4. [2] In the example, 20 is the dividend, 5 is the divisor, and 4 is ...

  5. The Gregg Reference Manual - Wikipedia

    en.wikipedia.org/wiki/The_Gregg_Reference_Manual

    The ninth Canadian edition, entitled simply The Gregg Reference Manual with no subtitle, was published on February 25, 2014. The book was first published in 1951 as the Reference Manual for Stenographers and Typists by Ruth E. Gavin of the Gregg Publishing Company. The book is widely used in business and professional circles.

  6. Dewey Decimal Classification - Wikipedia

    en.wikipedia.org/wiki/Dewey_Decimal_Classification

    A library bookshelf in Hong Kong classified using the New Classification Scheme for Chinese Libraries, an adaptation of the Dewey Classification scheme. The Dewey Decimal Classification (DDC) (Dewey pronounced: /do-e/), colloquially known as the Dewey Decimal System, is a proprietary library classification system which allows new books to be added to a library in their appropriate location ...

  7. Division sign - Wikipedia

    en.wikipedia.org/wiki/Division_sign

    The obelus, a historical glyph consisting of a horizontal line with (or without) one or more dots, was first used as a symbol for division in 1659, in the algebra book Teutsche Algebra by Johann Rahn, although previous writers had used the same symbol for subtraction. [2]

  8. Teach Yourself - Wikipedia

    en.wikipedia.org/wiki/Teach_Yourself

    A photo of a standard Teach Yourself book from 1943 Teach Yourself books from the 1980s (left) and 2000s. The Teach Yourself books were published from 1938 until 1966 under the imprint English Universities Press, owned by Hodder & Stoughton. Leonard Cutts (1904-1992) was overall editor from the start, [4] and he remained the editor until 1964. [5]

  9. Midwestern United States - Wikipedia

    en.wikipedia.org/wiki/Midwestern_United_States

    The Midwest has been a key swing district in national elections, with highly contested elections in closely divided states often deciding the national result. From 1860 to 1920, both parties tried to find their presidential and vice presidential candidates from the region. [72]