Numbers Step by Step: An Elementary Arithmetic (Classic Reprint)

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Fb&c Limited, 20.10.2018 - 372 Seiten
Excerpt from Numbers Step by Step: An Elementary Arithmetic

Second. The fact, that all concrete problems may be solved by counting instead of by computation, is used to determine, in a given problem, which of the computative processes is to be employed.

Third. The multiplication table is used for reference pur poses before it is learned, thus furnishing an adequate motive for the stupendous task of memorizing it.

Fourth. Exponents are used in adding a column of figures, in order that children of the second grade, who know the addition table without knowing its extensions, may solve con crete problems requiring the addition of four or five numbers. Later, when the extensions of the addition table have been learned, the exponents will not be needed unless the columns are very long.

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