Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, 1878- · Chicago, A. Flanagan Company · leaf 54
oncrete problems, though of course theyshould be given whenever any comparing is done. • ,14... i—i- - i i i T i *_• i ! •i if. i: i 5 i ■r-i... i ii i . !__•_ -J LESSON XV Ordinary box shape, based on 16squares, straight cuts. LESSON XVI Oblong box shape. 1 row of squarescut off, straight cuts.… … Fig. 3 is the resultwhen the free corners arecut off. LESSON XVIII. 5 , I I I I I I : ; •j-.l. .;...;- , i , .
Manual training · Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
