Sunshine News (Reporter Zhang Yunduo Correspondent Yu Yani) The knowledge of the first four units of the second volume of the first grade of mathematics in the primary school of Beijing Normal University has been learned, in order to review the abdication and subtraction of numbers within 20, the first grade of Sandian Central Primary School in Baqiao District, Xi'an City carried out the activity of "making cute tabloids and reviewing mathematical knowledge" on April 17, 2024. With the help of their parents and fathers, the children drew colorful math tabloids.
In the context of the happy drawing activity, the children sorted out the abdication subtraction equation for numbers within 20. In the process of organizing, the children not only consolidated the calculation method, but also experienced the method of orderly thinking, and found that there can be different methods of organizing, which increased the interest in learning mathematics.