Mathematics
Works Cited
http://math.coe.uga.edu/tme/issues/v17n1/v17n1_Anderson.pdf
http://www.sosmath.com/trig/magicide/magicide.html
http://www.ams.org/journals/proc/1969-021-03/S0002-9939-1969-0240129-7/S0002-9939-1969-0240129-7.pdf
http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut8_property.htm
http://www.ehow.com/how_6931647_do-create-math-identity-puzzles_.html
http://www.cut-the-knot.org/Curriculum/Arithmetic/MakeIdentity/index.shtml
http://www.sosmath.com/trig/magicide/magicide.html
http://www.ams.org/journals/proc/1969-021-03/S0002-9939-1969-0240129-7/S0002-9939-1969-0240129-7.pdf
http://www.wtamu.edu/academic/anns/mps/math/mathlab/beg_algebra/beg_alg_tut8_property.htm
http://www.ehow.com/how_6931647_do-create-math-identity-puzzles_.html
http://www.cut-the-knot.org/Curriculum/Arithmetic/MakeIdentity/index.shtml