1607-4041 1607-4041 S1607-40412017000100110 10.24320/redie.2017.19.1.971 Mexico 00 03 2017 00 03 2017 19 1 110 122

2011 36 1 1 18-31 2007 39 459-73 2006 61 103-31 1999 2004 309-47 2013 16 33-56 1997 28 5 5 524-49 1997 2013 153-71 2006 2007 2330-9 2010 69-85 2011 43 993-1006 2014 59-80 2007 3 161-8 2007 66 349-71 2008 8 3 3 233-51 2010 National Council of Teachers of Mathematics 2000 1945 1994 287-304 2006 1996 15 263-84 1997 2 3 3 11-30 2007 2009 9 46 46 5-13 1985 1992 334-71 1997 2005 9 2 2 1-30 1997 29 3 3 75-80 2005 24 287-301 1995 38-68 1994 26 71-94 1991 22 309-31 2004 6 2 2 91-104 1988 240 611-6 1998 3 268-75 1999 2010 73 217-31 1996 27 4 4 458-77