1. Write the topic on white paper first: the second book of the first-grade mathematical calculation research card.

2. Then draw an exercise book and pencil stick figure on the left.

3. Then draw a green rectangular text box in the middle of the white paper.

4. Write the formula in the green text box: 8+5.

5. Then draw 8 strawberries and 5 strawberries on the right.

6. Finally, draw a circle in the upper left corner of the white paper to fix the binding position. In this way, the calculation card is ready.