Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 86
n comparing rulers they will see: 3 3 7 3 4 7 11 T.lj-i 10 MEASURING AXD WEAVING. 79 Draw lines indicated in Fig. 2, measuring with rulers108T43l, respectively, from left edge. Cut on thelines. Divide each of these pieces into 3 equal parts, exceptthe large middle one. Divide this into 2 equal… … T ij 3 MEASURING Introduction of SINGLE UNIT RULERS LESSON I
Manual training · Paper work
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