Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, b. 1878 · Chicago : A. Flanagan Company · leaf 122
ESSON^ XXX Pushcart—EuLERS: 75412. Materials: Stiff school paper 9x6. Ask children how long and widetlie paper is without ^^sing any ruler.They have handled the 9-inch andG-inch rulers so often that they oughtto know how they look by this time.Now tell them to measure thelength with the rulers… … 116 MATHEMATICAL CONSTEUCTION TfiiZ Cut on dotted line drawn between marks made on upperand lower long edges with 7-inch ruler. The rectangle a is now 2x6. With the 2-inch and4-inch rulers divide this into 3 2-inch squares. Cutting off the corners of two of these squares in acurved line gives two…
Manual training · Paper work
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