1. The first volume of mathematics for the third grade of primary school: this book is the textbook for the third grade last semester, covering basic knowledge such as integers, fractions and decimals, and helping students consolidate their knowledge through rich examples and exercises.

2. The second volume of mathematics in the third grade of primary school: this book is a textbook for the third grade in the next semester, including the study of concepts such as area, perimeter and time, as well as the practice of basic operations such as addition, subtraction, multiplication and division.

3. Problem sets for the third grade of primary school mathematics: This book is a problem set for the third grade students, including exercises and exams in various chapters to help students consolidate their knowledge and improve their problem-solving ability.

4. Tutorial book for the third grade of primary school mathematics: This book is a comprehensive tutorial book, including the explanation of knowledge points, the analysis and solution of examples, and some extended topics to help students better understand and apply what they have learned.

5. Oral arithmetic training for the third grade of primary school mathematics: This book is specially designed for the third grade students to carry out oral arithmetic training, and help students improve the calculation speed and accuracy through a large number of oral arithmetic problems.

The teaching AIDS recommended above are all compiled according to the content of the third grade mathematics curriculum, which can help students systematically learn and consolidate their knowledge and improve their mathematics ability. At the same time, these supplementary books pay attention to the combination of theory and practice, and help students master problem-solving methods and skills through rich examples and exercises.