Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 63
56 MATHEMATICAL CONSTRUCTIONLESSON VII Two 8-inch squares contrasting colors.Fold the one which is to be used for strips into 8 equaloblongs. Cut on folds. Fold the other square into 8 oblongsone way. Open and fold into 8 oblongs the other way.Open and fold into2 large equal oblongs. _ [Make cuts… … LESSON YIII Two 8-inch squares contrasting colors. Fold the one to be used for strips into 4 equal oblongs.Cut. Then divide one of those oblongsinto 2 equal smaller oblongs by free
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