This method for counting lattice octagons strengthens students' counting skills and geometrical thinking.
*Harold Reiter, email@example.com, teaches mathematics at the University of North Carolina Charlotte.
Arthur Holshouser, who lives in Charlotte, North Carolina, likes solving mathematics problems for ten hours per day.
Patrick Vennebush, firstname.lastname@example.org, is the online projects manager at NCTM in Reston, Virginia.
© 2022 National Council of Teachers of Mathematics (NCTM)
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