|Title||Methods of teaching mental arithmetic, and, Key to the normal mental arithmetic :|
Methods of teaching mental arithmetic, and, Key to the normal mental arithmetic :
containing also many suggestions and methods for arithmetical contractions, and a collection of problems of interesting and amusing character for class exercise /
Author(s):Brooks, Edward, 1831-1912.
Brooks, Edward,; 1831-1912. ; Normal mental arithmetic.
Publication:Philadelphia : Sower, Potts & Co.,
Description:103 pages ; 16 cm
Note(s):On cover: Key to Brooks's mental arithmetic.
Class Descriptors:LC: QA103
Other Titles:Key to the normal mental arithmetic; Key to Brooks's mental arithmetic
Responsibility:by Edward Brooks.
Accession No:OCLC: 12938968
|Collection||Hollinger, James E. collection|