1, wrong question.

2. The answer is correct.

3, problem-solving ideas, methods and skills.

4. The cause of the error.

The card is divided into two parts with a vertical line at the ratio of 1: 2, and the left side is divided into two parts, the upper left is the error and the lower left is the error reason; The right side is divided into two parts, the left side is the correct problem-solving process, and the right side is the problem-solving ideas and methods.

Advantages of making the wrong card

If you are good at seizing the opportunity of making mistakes and analyzing them carefully, you can not only make up for the defects in knowledge, but also strengthen your memory. Flexible use of knowledge is the ultimate goal of error correction. Correcting mistakes is actually a process of relearning. Through the comparison of right and wrong, the understanding of knowledge is gradually deepened, and it is often digested better and more refined.

The production of wrong cards should be classified and bound into volumes to facilitate communication. Exchanging these wrong cards between classmates can open your eyes and brainstorm.