Primary School Students Mental Arithmetic Practice Book (Grade 1) Upper

Author: Zhang Hui
Publisher:
Publish Date: 2004-04-01
Features: This book is one of the "Primary School Students Mental Arithmetic Practice Series," suitable for first-grade students as a reference. The entire book uses a large number of practice problems to train primary school students' mental arithmetic skills and improve 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 that concisely introduces basic knowledge about some animals.