Adding it up helping children learn mathematics /

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Údar corparáideach:	ebrary, Inc
Rannpháirtithe:	Kilpatrick, Jeremy, Swafford, Jane, Findell, Bradford
Formáid:	Leictreonach Ríomhleabhar
Teanga:	Béarla
Foilsithe / Cruthaithe:	Washington, DC : National Academy Press, c2001.
Ábhair:	Mathematics > Study and teaching (Elementary) > United States. Mathematics > Study and teaching (Middle school) > United States. Electronic books.
Rochtain ar líne:	An electronic book accessible through the World Wide Web; click to view
Clibeanna:	Cuir clib leis Níl clibeanna ann, Bí ar an gcéad duine le clib a chur leis an taifead seo!

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