1, specific capacity. Judging from the content, the capacity of the People's Education Edition is smaller than that of the 4th and 5th editions.

2. People's Education Edition has more knowledge about "clock recognition" than Qingdao Edition, but less knowledge about "position recognition", "statistics" and "comparison". The calculation part of the People's Education Edition is arranged to carry addition within 20, and there is no abdication subtraction. The fourth and fifth editions have abdication subtraction within the seventh unit 20.