Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 52
46 MATHEMATICAL CONSTRUCTION If one holds ^ pk Compare volumes of two box shapes,oats for liorse the other holds | pk., etc. Cut one of these as indicated in Fig. 2. Insert and paste this into other box shape. Use toothpicksfor axles, adjust wheels and paste on the shafts. BASKETS This is a series…
Manual training · Paper work
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