Press: Hubei Changjiang Publishing Group, Chongwen Bookstore; 4th Edition (20 11June1) Series Name: Peiyou New Helper Paperback: 2 12 Page Reader: 7- 10 Year old Language: Simplified Chinese folio:16 ISBN. 9787540304645 Size: 25.7 x 18.3 x 1 cm Weight: 340 g Editor's brief introduction Author Zhang Guowei, national first-class coach of China Mathematical Olympics, member of China Education Association. He has been engaged in classroom teaching and mathematics competition training for a long time and won the title of gold medal coach and excellent coach for many times. Xiao Shuzhi, a senior primary school math teacher. He has been engaged in primary school mathematics teaching and training for a long time, and has served as an excellent coach in the "Huabei" mathematics competition for many times, and won the first prize in the basic skills competition for district teachers for many times. Zou Jie, a senior primary school math teacher, is a member of Hubei Young Backbone Teachers Research Center. Outstanding young teachers in the district, members of the district primary school mathematics association, winners of the first prize of excellent courses in the city and district, have devoted themselves to primary school mathematics competitions and excellent teaching for many years, and have rich educational and teaching experience and teaching and research ability. Students have won many prizes in the Olympic Games, China Cup, Hope Cup, Imagination Cup and Invitational Tournament of Entering the Kingdom of Mathematics. Edit this paragraph to introduce "training new helpers? Mathematics (Grade 6) (latest edition) is a teaching aid for students' excellent extracurricular study. It is written according to the new curriculum standard, which is applicable to all versions of textbooks, originated from textbooks and is higher than textbooks. This series has been published for many years and is deeply loved by readers. It was once rated as "national excellent brand bestseller". This series selects all kinds of competition questions, training questions and examination questions from all over the country for classification and compilation. It is suitable for students to compete, choose schools for entrance exams, and cultivate mathematical thinking ability and sustainable learning ability. Edit this part of the table of contents. Lecture 1: wonderful fractional unit. Lecture 2: Operation skills of fractions. Lecture 3: Operation and application under the new instruction. The fourth lecture: the estimation and significance of numbers. Lecture 5: Fractions and Percentages (1) Lecture 6: Fractions and Percentages (2) Lecture 7: Fractions and Percentages (3) Lecture 8: Comparison and Proportion (1) Lecture 9: Comparison and Proportion (2) Lecture 10: Engineering Problems (1) Lecture 11 Lecture 15: Circumference and Area of Circle (II), Lecture 16: Cylinders and Cones, Lecture 17: Clock, Lecture 18: Travel Problem (I), Lecture 19: Travel Problem (II), Lecture 20: Indefinite Equation (Group) and Its Application, Lecture 21: Observation, Guess and Induction, Lecture 22: Judgment and Reasoning, Lecture 23: Discrete Maximum, Lecture 24: Design and Scheme, Lecture 25: Transformation and Operation, Lecture 26: Comprehensive Test of Statistics and Probability