2448-8089 2448-8089 S2448-80892023000300007 10.24844/em3503.01 USA 00 00 2023 00 00 2023 35 3 7 48

2020 50 1143-65 2021 13 2 2 59-76 2022 2021 16 3 3 2003 241-54 2014 26 811-31 2013 2002 21 4 4 401-21 2020 102 101420 101420 2015 3-34 2017 15 8 8 1521-40 2020 105 287-301 2021 2013 83 57-69 2021 2022 1 119-45 2006 79-90 1988 23 167-80 1938 1986 17 261-71 2013 83 87-101 2005 12 3 3 156-63 1979 3 167-72 1984 1950 5 9 9 444-54 2009 90 7 7 495-500 1993 30 2 2 393-425 1901 8 437-79 2008 2017 766-92 1987 123-47 2015 215-40 2020 102 101428 101428 2013 83 71-86 2012 31 1 1 149-61 2019 45 6 6 708-25 2015 17-44 2020 102 101424 101424 1997 9 1 1 5-24 2020 105 325-47 2008 2015 125-39 2003 2016 42 4 4 243-9 2002 23 1 1 9-50 1980 209 4452 4452 21-3 National Council of Teachers of Mathematics 1991 National Council of Teachers of Mathematics 2020 2009 4 353-60 2018 120 11 11 1-32 1996 66 2 2 181-221 2021 53 737-52 2020 102 101455 101455 2021 53 877-89 1994 14 1 1 19-28 1997 97 3 3 75-80 1996 27 5 5 521-39 2013 83 1 1 1-7 2015 2008 24 6 6 1613-34 2014 1988 1-22 2009 2nd 1996 2 50-80 2008 10 4 4 313-40 2019 12 1 1 809-20 2015 40 B B 171-91 1992 2 4 4 367-427 2020 102 101427 101427 2016 01 11-4 2021 2021 53 4 4 937-49 2007 2021 53 961-73 2022 54 497-512