Mathematical construction, informal number work for busy hands; grades one and two . s cuttinglengthwise. Divide middle strip of matWeave, using wide strip first, then 3 small LESSON V Material: Two 9-inch squares, con-trasting colors. Foundation same as Lesson III. Divide two of the three strips forweaving into 3 equal oblongs each. Divide the left and right strips of themat into 3 equal parts, leaving middleone as it , using 3 narrow strips first, then the wide one,then 3 more narrow ones. h FEEE CUTTING AND WEAVING 63 LESSON VI B Material: Two 10-inch squares, con-trasting colors. F
Mathematical construction, informal number work for busy hands; grades one and two . s cuttinglengthwise. Divide middle strip of matWeave, using wide strip first, then 3 small LESSON V Material: Two 9-inch squares, con-trasting colors. Foundation same as Lesson III. Divide two of the three strips forweaving into 3 equal oblongs each. Divide the left and right strips of themat into 3 equal parts, leaving middleone as it , using 3 narrow strips first, then the wide one,then 3 more narrow ones. h FEEE CUTTING AND WEAVING 63 LESSON VI B Material: Two 10-inch squares, con-trasting colors. Fold one square into 2 equal oblongs, cut the half-inch strips for border (a, b) from folded edge. Divide folded edge into 2 equal parts at c. Divide a-c into 3 equal parts. Divide c-h into 3 equal parts. Cut an inch strip from other large surface into 2 equal ob-longs, cutting parallel to long edges. Cut each of these into 3 equal in any desired way. Over one,under one; over two, under one; over two,imder two; over three, under one; overthree, under LESSON VII Material: Two oblongs colors. Fold the one which is for the matso that the long edges meet. Cut as in- ^ B dicated at a, h, making strips for border. (Fig. 1.) Divide the fold between a and h into 5 equal parts, cut-ting to half an inch from top. 64 MATHEMATICAL CONSTEUCTION Cut an inch strip from one of the long edges of the otheroblong from which strips are to be cut. Now divide this into5 equal oblongs, cuttingparallel to long edges. Cut 2 of these ob-longs into two smallerequal oblongs thus: one widestrip, two narrow, onewide, two narrow, onewide. Result: Fig. 2,
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherchicagoaflanaganco
