Учебник арифметики. Для : Часть I

Na pervyh porah, izuchaya sostav chisel i schet do 10, deti uchatsya tolko uznavat tsifry. V eto vremya primenyaetsya razreznoj didakticheskij material. Pismo tsifr nachinaetsya pozdnee i protekaet medlennee. Na pervyh porah v nekotoryh primerah vstrechayutsya tsifry, kotorye deti esche ne umeyut pisat. V takih sluchayah daetsya ukazanie: "pribavlyaj i otnimaj ustno". This book, "Uchebnik arifmetiki. Dlya nachalnoj shkoly Chast I", by N. S. Popova, is a replication of a book originally published before 1937. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.