“卡西欧杯”第五届全国初中青年数学教师优秀课观摩与评比活动于2006年10月22日至25日在陕西省西安市举行.来自全国30个省(自治区、直辖市),新疆生产建设兵团、海南农垦及全国油田系统的优秀一线数学教师、数学教学研究人员、数学教育专家、教材编写人员、编辑共约1200人参加 The activities of observing and appraising excellent students of “Casio Cup” in the junior middle school of China were held in Xi’an, Shaanxi Province from October 22 to October 25, 2006. From 30 provinces (autonomous regions and municipalities directly under the Central Government), Xinjiang Production and Construction Corps , Hainan Nongken and the national oil field system excellent first-line mathematics teachers, mathematics teaching and research staff, mathematics education experts, textbook compilers, editors a total of about 1,200 participants