1Singer, K M. , Ellerton, N. &Cai, J. Prob- lem- posing research in mathematics education: new questions and directions [J]. Educational Studies in Mathematics, 2013 (83).
4Silver E A. On Mathematical Problem Posing [J]. For the Learning of Mathematics, 1994, 14(1): 19-28.
5Brown S I, Walter M I. The Art of Problem Posing [M]. Philadelphia: The Franklin Institute Press, 1983.
6Lavy L, Bershadsky I. Problem Posing Via "What If Not" Strategy in Solid Geometr-a Case Study [J]. Journal of Mathematical Behavior, 2003, 22: 369-387.