Editorial Board: Abzianidze Shalva Vice Editor-in-Chief Iv.Javakhishvili Tbilisi State University Blinov Vladimir Moscow Pedagogical State University and Moscow Institute of Open Education Budakov Rostislav K.D. Ushinsky State Scientific Pedagogical Library of Russian Academy of Education Sciencies Chernilevsky Dimitri Doctor of Pedagogical Sciencies (Russia) Chkuaseli Ketevan Iv.Javakhishvili Tbilisi State University Goroshidze Goga Iv.Javakhishvili Tbilisi State University Jagodnishvili Temur Georgian Technical University Imedadze Natela il.Chavchavadze state University Karanadze Tamaz Iv.Javakhishvili Tbilisi State University Kaymin Vitaly International Academy of Informatization Karbelashvili Nino Editor-in-Chief Caucasus International University Khomeriki Rostom Georgian Education Academy Kurdiumova Natalia Journal "Mathematics at School" (Russia) Loladze Tsiala il.Chavchavadze state University Lomadze Manana Iv.Javakhishvili Tbilisi State University Magradze Guguli Iv.Javakhishvili Tbilisi State University Shavgulidze Anzor Vice Editor-in-Chief Georgian Technical University Skhirtladze Nugzar Iv.Javakhishvili Tbilisi State University Sologashvili Jemal Iv.Javakhishvili Tbilisi State University Targamadze Tsiuri il.Chavchavadze state University Tkhelidze Merabi Iv.Javakhishvili Tbilisi State University Velijanashvili Alexander Executive Secretary Caucasus International University printer version