https://sibi.upn.mx/cgi-bin/koha/opac-search.pl?q=ccl=%28su%3A%22ARITM%C3%89TICA%22%29&sort_by=title_az&format=rss 563 0 20 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=61611 By Gray, Edward M..
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551-574

]]> Place hold on A analysis of diverging approaches to simple arithmetic : preference and its consequences

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=61611 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=68623 By Fantuzzo, John W..
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309-324

]]> Place hold on A evaluation of reciprocal peer tutoring across elementary school setting

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=68623 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=69079 By Cobb, Paul.
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483-504

]]> Place hold on A follow-up assessment of a second-grade problem-centered mathematics project

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=69079 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=61707 By Bustamante, Emilio.
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22-24

]]> Place hold on Abreviaciones aritméticas

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=61707 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=1053 México : SEP, Dirección General de Educación Especial, .
204, [18] p.

]]> Place hold on La adquisición de las operaciones aritméticas elementales en niños de primaria /

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=1053 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=1056 [S.l. : s.n., .
26 h.

]]> Place hold on Adquisición de los elementos de la cultura :

]]> https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=1056 ISBN: https://sibi.upn.mx/cgi-bin/koha/opac-detail.pl?biblionumber=1271 By Torres Toledo, José Luis.
México : J. L. Torres Toledo, 1997 .
65, [12] h. : , "Unidad 098"

]]> Place hold on Agrupamiento y desagrupamiento en unidades, decenas, centenas, y unidades de millar /

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