Designed for elementary and middle school students	Handshakes   There are 22 students in your class (including yourself).  Every student shakes hands with exactly half of the students in the room.  What is the minimum number of handshakes that occurred?
March 27, 2006
Past Problems
	E-mail Solutions to: brainteaser@umassd.edu
	Names will only be posted for students in elementary and middle school
	Correct Solutions
	Tommy Liang. Oak Brook Elementary School, Ballwin, MO Bilyana Tzolova. EPWE, State College, PA Korynn Camara. Freetown/Lakeville Middle School, Lakeville, MA Phillip Ai. Hammarskjold Middle School, East Brunswick, NJ Mridul Singh. Kendriya Vidyalaya Happy Valley, Shillong, India Cole Sisson. Honey Island Elementary, Slidell, LA Karinna Loo. Marengo Elelementary, South Pasadena, CA Kevin Dong. Westlake Elementary School, Santa Cruz, CA Willie Dong. Westlake Elementary School, Santa Cruz, CA Janice Lim Jia Hui. CHIJ ST. Nicholas Girls' School, Singapore Allison Wang. Harker School, San Jose, CA Vicky Enouiti. Valencia, Kissimmee, FL Mason Lilly. Elkview Middle School, Elkview, WV Tyler Falk. Freetown Lakeville Middle School, Lakeville, MA Bill Croughan. Episcopal School of Acadiana, Cade, LA Christine Soh. Eldorado K-8, Superior, CO Andrew Bennett. Honey Island Elementary, Slidell, LA Rebecca Crose. Freetown-Lakeville Middle School, Lakeville, MA Conor Peal. Freetown-Lakeville Middle School, Lakeville, MA Van Vo. Sacred Heart School, Melrose Park, IL Matt Santos. Freetown-Lakeville Middle School, Lakeville, MA Henry Sue. Monterey Hills Elementary, South Pasdena, CA

 

 Last Updated On: 4/3/06