Students' novel strategies are a valuable resource for mathematical sense making in the classroom. Deliberate exploration of different strategies can support and extend students' mathematical understandings. Postscript items are designed as rich grab-and-go resources that any teacher can quickly incorporate into his or her classroom repertoire with little effort and maximum impact.

Contributor Notes

Steven Greenstein,, enjoys teaching math courses to preservice teachers at Montclair State University in Montclair, New Jersey. He is interested in engaging all learners in rich and powerful forms of mathematical activity.

Justin Seventko,, teaches ninth-grade mathematics at Bergen County Academies in Hackensack, New Jersey, while pursuing his PhD in mathematics education from Montclair State University. He is interested in recreational mathematics, especially using gaming environments to teach mathematics.

Edited by Theodore Chao,, an assistant professor of mathematics education at The Ohio State University in Columbus

Imani Goffney,, an assistant professor at the University of Houston, Texas. Submit your quick game, puzzle, activity, or instructional strategy along with suggestions for how teachers of different grade bands (K-1, 2-3, 4-6) can use this idea. Send submissions of no more than 250 words to this department by accessing Find detailed submission guidelines for all departments at

(Corresponding author is Greenstein
(Corresponding author is Seventko
(Corresponding author is Chao
(Corresponding author is Goffney
Teaching Children Mathematics
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