Primary School Students Mental Arithmetic Practice Book Grade 1 (First Semester) (Grade 1 (First Semester))

Author: Zhang Hui
Publisher:
Publish Date: 2000-06-01
Features: This book is one of the "Elementary School Students Mental Arithmetic Practice Series," suitable for first-grade students as a reference. Through a large number of practice problems, the book trains elementary school students' mental arithmetic skills and enhances their mathematical knowledge. The content includes: recognition and addition/subtraction of numbers within 10, recognition of numbers 11-20, carrying addition and borrowing subtraction within 20, and more. On the cover of this book, there is also a "Animal Encyclopedia" section, which concisely introduces basic knowledge about some animals.