PARTICIPANTS Aizkraukle Secondary School No 2, Latvia Al. Papiu Ilarian High School, Dej, Romania Teacher Ligia Gârlea  Barbu Stirbei National College, Cãlãrasi, Romania Teacher Ema Hreniuc Bunche Middle School, Los Angeles, USA Teacher Jay Hewlett Carmen Sylva Highschool, Eforie Sud, Romania Teacher Alina Theodorescu Centro Preesolar Rio Piedras, San Juan, Puerto Rico Teacher Lydia Barreto Colegio Experimental Paraguay-Brasil, Asunción, Paraguay Teacher Sady Recalde Colegio Francisco Antonio de Zela, Peru Teachers Yola Mamani Choque, Deysi Tejada Mamani, Rella Vargas Sanchez, Noe Arpasi Jimenez, Lilia Pari Aguilar Colegio Santa María de Santiago, Chile Teachers Lucrecia Zamorano Aravena, Osvaldo Baeza Rojas Duiliu Zamfirescu School, Focsani, Romania Teacher Petru Dumitru Dundaga Secondary School, Latvia Edirne Anatolian High School, Turkey Teacher Cemal Ardil Eforie Nord School, Romania Teacher Stela Vârgoliu Escola Lavínia, Barcelona, Catalunya Teacher Anna Piñero Escola Estadual Alcântara Machado, São Paulo, Brasil Teachers Ivone Mayumi Sato Tokugava, Maria Teresa Massumbani, Ruth Ribas Itacarambi Escola Estadual Presidente Roosevelt, São Paulo, Brasil Teacher Alice Aiko Nosaki, Ruth Ribas Itacarambi Escuela de la Comunidad Segunda, Aguas Buenas, Puerto Rico Teacher Aileen Velázquez Escuela de educación técnica nº 5117, San Remo, Argentina Teacher Victor Soria Escuela Second Unit Botijas Number 1, Orocovis, Puerto Rico Teacher Lourdes Latorre Alvarado Grijalva School, Tucson, Arizona, USA Teacher: Kevan Kiser-Chuc Hawaiian Elementary in Hawaiian Gardens, California, USA Teachers Meg Marino, Carla B. de Herrera Hawaiian Elementary Academy of Research, California, USA Teachers Alejandra Valencia, Sandra R. Leal Intermedia Juan Serrallés, Puerto Rico Teacher Julio De Jesús Juozas Luksa Gymnasium, Garliava, Lithuania Teacher Laima Stanciauskiene King's College Budo, Uganda Students Ivan and George Ssali, Rays of Mathematics Teacher Lawrence Ssenkubuge Latvian Schools Group, Latvia Teachers Velga Blaua and Aija Cunska Linguistic Gymnasium, Ulan-Ude, Buryatia, Russia Teacher Ayuna Batueva Livani Secondary School N. 2, Latvia Lynn/Urquides Elementary School, Tucson, Arizona, USA Teacher: Kevan Kiser-Chuc Maarist College Penshurst, Mortdale, Australia Teacher Margaret Gardner Marina Middle School, San Francisco, California, USA Teacher Paul Wong Mar Vista Elementary School, Oxnard, California Teachers: Michelle Singer and Amada Perez Mihai Eminescu Highschool, Cãlãrasi, Romania Teachers Carolina Lãzãrescu, Rodica Captariu, Ioana Dumitru, Silvia Similea, Viorica Marin, Ninel Petre, Victor Tudor Miranda Lyceum, Paramaribo, Suriname Teacher Dave Abeleven Mountain View Elementary School, S. Barbara, USA Teachers Beth Wagner, Pat Moore Nativity School in Cincinnati, Ohio, USA Teacher Patti Burwinkel Ogre Secondary School No 2, Latvia Rinuzhi Grammar School, Riga, Latvia Rota High School, Northern Marianas Teacher Pete Mesngon Scott Libby Elementary, Phoenix, Arizona, USA Teachers Christine Rademan and Mrs. Set Slavco Stojmenski high school, Stip, Macedonia Teachers Suzana Angelova and Aleksandar Trencev Smiltene Gymnasium, Latvia Sullivan Desert Kids, Phoenix, Arizona Students Teacher coordinator: Carolyn Redendo Sunnyside Elementary School, Pullman, Washington, USA Teacher Kristi Rennebohm Franz Tallinna Tõnismäe Reaalkool, Tallinn, Estonia Teacher Nikita Koshelev Shalom School, Thomas J. Ilfeld Middle School Department, Sacramento, CA, USA Teacher LuAnne Lambertson Ukmerges uzupio Secondary School, Lithuania Teachers Virgilija Markeviciene, Rita Ginauciene, Audrone Vainauskiene Valmiera Gymnasium, Latvia Viesite Secondary School, Latvia White Elementary School, Tucson, Arizona, USA Teacher Kevan Kiser-Chuc