1665-2436 1665-2436 S1665-24362020000200175 10.12802/relime.20.2322 Portugal Portugal 00 00 2020 00 00 2020 23 2 175 202

2015 24 5 5 605-25 2006 Association of Mathematics Teacher Educators 2017 2011 115 11-7 2003 32 1 1 9-13 2011 2002 42 1 1 5-13 1989 40 5 5 24-31 2014 101-11 2017 3-16 2006 108 6 6 1017-54 National Council of Teachers of Mathematics 2014 2012 316-36 2012 1-15 2017 33 3 3 77-95 2012 41 83-98 2008 2nd ed. 225-63 1986 15 2 2 4-14