Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 54
ompared, but havenot inserted any concrete problems, though of course theyshould be given whenever any comparing is done. 1 1_ _ 1 « 1 •_i J 1 I 11 , 1 11 I I I I •II L_i-.a--- -J LESSON XV Ordinary box shape, based on 16squares, straight cuts. LESSON XVI Oblong box shape. 1 row of squarescut off,… … Fig. 3 is the resultwhen the free corners arecut off. LESSON XVIIL —^ - 1 1——..-1 1 • 1. —. 1 L._J
Manual training · Paper work
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