“…Over the past 10 years, the innovation of teaching and learning methods has been a common theme or category among meta-analyses of experimental programs in the field of mathematics education. These existing meta-analyses has identified the following teaching interventions: cooperative learning (Seidel and Shavelson, 2007 ; Hattie, 2008 ; Slavin and Lake, 2008 ; Slavin et al, 2009 ; Rakes et al, 2010 ; Savelsbergh et al, 2016 ), inquiry-based learning (Hattie, 2008 ; Slavin and Lake, 2008 ; Slavin et al, 2009 ; Alfieri et al, 2011 ), context-based learning (Slavin and Lake, 2008 ; Slavin et al, 2009 ), problem-solving learning (Hattie, 2008 ; Walker and Leary, 2009 ), self-regulated learning (Hattie, 2008 ; Slavin et al, 2009 ; de Boer et al, 2014 ), direct instruction (Seidel and Shavelson, 2007 ; Hattie, 2008 ; Slavin and Lake, 2008 ), mastery learning (Hattie, 2008 ; Slavin and Lake, 2008 ; Slavin et al, 2009 ; Rakes et al, 2010 ), computer-assisted learning (Liao, 2007 ; Hattie, 2008 ; Slavin and Lake, 2008 ; Slavin et al, 2009 ; Li and Ma, 2010 ; Rakes et al, 2010 ; Cheung and Slavin, 2013 ; Belland et al, 2017 ), peer tutoring (Hattie, 2008 ; Leung, 2015 ; Alegre-Ansuategui et al, 2018 ), individualized programs (Seidel and Shavelson, 2007 ; Hattie, 2008 ; Slavin et al, 2009 ), and new-style assessment strategies (Hattie, 2008 ; Rakes et al, 2010 ). The overall effect sizes of interventions of teaching and learning methods ranged from −0.02 to +0.78.…”