Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 102
lu which to keep little freely cut units for decoration). Bulers: 5V72\ Material: Paper left from previous lesson e^xl^. In estimating length of paper, children will get sum of7 and 5 equals 12 even though the 12 ruler is not intheir hands, for they have handled the 12-inch ruler twicewhile making… … 12 Lay 7-inch ruler on left and rightedges, respectively, from upper edge;make marks and draw line a-h. Use 2-inch ruler in the same way.Draw line c-d. With 1-inch ruler make marks, e-f-g-h. Fold line e-f. Fold line g-Ji. (The children haveno ruler at their desks long enough todraw this line.) Cut…
Manual training · Paper work
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