Mathematical construction, informal number work for busy hands; grades one and two . face (relation 1 to 2). Fold back l-m-n. Compare it to i-j-k. Compare it to opposite surface (equal). Make long edge of A a touch lower edge of A i. other corners similarly. Cut ofE points which pro-trude. Cut handle free-hand. This makes a nice basket for Red Riding Hood, or ashopping basket. ^rr? 52 MATHEMATICAL CONSTRUCTION LESSON XXV Make cuts 1, back whole upper a-h-c-d to whole oppositesurface (|).Cut 3, back e-f-g-h. Compare surface a-h-c-d to surfacee-f-g-h (equal)
Mathematical construction, informal number work for busy hands; grades one and two . face (relation 1 to 2). Fold back l-m-n. Compare it to i-j-k. Compare it to opposite surface (equal). Make long edge of A a touch lower edge of A i. other corners similarly. Cut ofE points which pro-trude. Cut handle free-hand. This makes a nice basket for Red Riding Hood, or ashopping basket. ^rr? 52 MATHEMATICAL CONSTRUCTION LESSON XXV Make cuts 1, back whole upper a-h-c-d to whole oppositesurface (|).Cut 3, back e-f-g-h. Compare surface a-h-c-d to surfacee-f-g-h (equal). Compare i to surface i to /. Compare sum of i and ; to surface a-h-c-d. (^).Compare e-f-g-h to opposite surface. (Eemember thattop row is turned back). Relation 1 to back i-k-l-m; also irl--l-m to a-h-c-d; or e-f-g-h (equal).Compare i-h-l-m to opposite surface (^).Fold and paste so that longest edge of triangle a toucheslower edge of triangle i. Treat other corners in like off protruding points. Eesult: workbasket for FOLDING AND WEAVING LESSON I Material: Paper 6x9. Fold and tear so that a 6-ineh square is obtained. Colorremaining oblong, which is 6x3, on one side with the two surfaces, giving problems on size andcost of rugs; also fringe on edge. Fold 6 inch square into16 small squares. Then fold into two equal cuts indicat-ed at a and h on fold-ed edge. Fig. 1. with the col-ored strip. Eesult:Fig. 2. B I < • I • 1 J I LESSOX II —?——?—*—^i^ B Eepeat Lesson I, but tear offone row of the sixteen squaresmaking cuts a-h (Fig. 1) onfolded edge. Weave with colored strip. Result: Fig. 2.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherchicagoaflanaganco
