Key to the New normal mental arithmetic, and, Methods of teaching mental arithmetic
containing, also, methods for arithmetical contractions and a collection of problems of an interesting and amusing character, for class exercises
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Author
Contributions
- Brooks, Edward, 1831-1912. - Contributor
Publication
1873 - Sower, Potts & Co., Philadelphia, Pennsylvania
Language
English
Word Count
40,000 words, Guess
Page Count
160 pages
Identifiers
- Library of Congress Control Number02025483
- OCLC Control Number3180500
- Open LibraryOL6921253M
Classifications
- LCCQA103 .B8489
Alternate Titles
- Methods of teaching mental arithmetic.
Subjects
Topics
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