Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 66
colors. Cut the square to be used as strips into 4 equal oblongsDivide each one of these lengthwise into 4 equal oblongsSixteen narrow strips are the result. Fold the other square into 8 equaloblongs. Open and fold the other wayinto 4 equal oblongs. Fold back the twofree edges to meet opposite…
Manual training · Paper work
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
