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Excerpt from First Book of Arithmetic, for the Use of Schools (Classic Reprint)
IN this First Book, the Practical, and I at the Theoretical part of Arithmetic is treated of, but it is not intended that Theory should be separated from Practice. The teacher may, by means of a blackboard and a piece of chalk, make the pupils more readily understand the rules than could be done by any written ex~ planation, especially at this stage of their progress.
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