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This book is designed to furnish systematic written work for the pupil, in which he finds expressed in written words, figures, and signs the facts he must have discovered and expressed understandingly in the oral lessons. Number work, as well as every phase of primary education, should be made a delight and the children should be happy in its accomplishment.
Livre de Lyon
Education of mathematics, numbers
Number Theory | Other Mathematics | Science and Mathematics Education
Porter, James H., "First Days in Number" (2020). Educational Sciences. 21.