Mathematical construction, informal number work for busy hands; grades one and two . Play that triangle is a piece ofrubber for making the hat. Problemson cost of it. If this piece of rubber(pointing to A) costs a nickel, whatdoes this cost (pointing to oppositesquare) ? Ans. 2 nickels. If it costs8 cents? Ans. 2, 8 cents. LESSON VI Envelope(New relation 1 to 4 and 1 to 3.) Play the square is the top of a desk. Compare cost of varnishing to another childs square justthe same size. When folded on a diagonal, play that one triangle thusformed is a tile of the school vestibule floor. Compare cost
Mathematical construction, informal number work for busy hands; grades one and two . Play that triangle is a piece ofrubber for making the hat. Problemson cost of it. If this piece of rubber(pointing to A) costs a nickel, whatdoes this cost (pointing to oppositesquare) ? Ans. 2 nickels. If it costs8 cents? Ans. 2, 8 cents. LESSON VI Envelope(New relation 1 to 4 and 1 to 3.) Play the square is the top of a desk. Compare cost of varnishing to another childs square justthe same size. When folded on a diagonal, play that one triangle thusformed is a tile of the school vestibule floor. Compare costof this with opposite triangla Teacher holds her paperso that folded edge is folds one of the upperpoints (A) to center of foldededge. Children imitate. Ee-sult: Fig. 1. 5 is a whole surface it with opposite surface. Kelation 1 to FOLDING 31 If B is one tile opposite surfaceis 4 tiles. If B costs a dime opposite sur-face costs 4 dimes, etc. Fold point C to E. Result:Fig. 2. F is a whole surface, so is G;compare F to G. Relation 1 to 2.
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherchicagoaflanaganco
