Students use balls and disks to prove the general formulas for sums of squares and cubes.
*Tongta Somchaipeng, firstname.lastname@example.org, is a doctoral student in STEM education at the Institute for Innovative Learning, Mahidol University, in Bangkok, Thailand.
Tussatrin Kruatong, email@example.com, teaches physics at the Institute.
Bhinyo Panijpan, firstname.lastname@example.org, a biophysicist by training, is fascinated by symmetry and pattern in nature and mathematics. All are interested in hands-on science and mathematics activities and professional development.
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