Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, 1878- · Chicago, A. Flanagan Company · leaf 41
longs can be lace curtains for the dollhouse. Question about length or cost of lace for the curtains.Some curtains having lace on 2 edges, others on 3 edges. Let triangle F (Fig. 4) be a dolls shawl. Let oppositesurface be a piece of cloth. Ask how many shawls can be cutfrom it. Let small square… … A=2 of B.=8 of C.=2 of I. A=sum of D+C.=sum of H+3 Cs.=sum of 1+4 Cs. FOLDING 35 A=sum of G+2 Cs. =sum of D+E+F. =sum of G+C+E+F.C=l of B. =i of I. =sum of E+F.B=sum of C+E+F. =i of A. =1. D=B+3 Cs. =7 Cs.G=6 Cs. =1+2 Cs.H=I+C. =5 Cs.1=4 Cs.F=3 Es. =C-E. LESSON VIII
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