Postal code: 20003 1
Mailing address: Yongfu Road 123, Shanghai.
Submission email :xxyujs@sohu.com
Title: New Century Primary School Mathematics Teacher
Postal code: 100088
Mailing address: course center Mathematics Studio of Beijing Normal University, No.20 Xinde Street, Xicheng District, Beijing.
Submission email: xsjmath @163.com.
Name of publication: Mathematics education in primary schools
Postal code: 1 1003 1.
Mailing address: No.29 Ningshan Middle Road, Huanggu District, Shenyang
Submission email :xxsxjy@263.net