It pays to be organized: Organizing arithmetic practice around equivalent values facilitates understanding of math equivalence

Journal of Educational Psychology (2012) - Comment
doi: 10.1037/a0028997 issn: 1939-2176 issn: 0022-0663

Nicole M. McNeil, Dana L. Chesney, Percival G. Matthews, Emily R. Fyfe, Lori A. Petersen, April E. Dunwiddie, Mary C. Wheeler