Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 69
62 MATHEMATICAL CONSTRUCTION Cut this large surface into 3 equal oblongs, making cutsparallel with long edges of surface. Weave. LESSON IV … into 3 equal parts ones, then other wide one Material: Two 8-inch squares, con-trasting colors. Make foundation same as in LessonIII. When 3 strips have been cut, divideone of them into 3 equal oblongs cuttinglengthwise. Divide middle strip of matWeave, using wide strip first, then 3 small LESSON V…
Manual training · Paper work
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