1. Length unit: .............. 1
2. Addition and subtraction within100 (2) ...
I am taller. ............................................................................................................................................................................
3. A preliminary understanding of the horn 38
4. Table multiplication (1) ........................................................................... 44
5. Observation object 67
6. Table multiplication (2) ................................................................. 72
Take a look, put it, put it in .............. 92.
7. Statistics 94
8. Mathematical Wide Angle ..........................................................................................................................................................................
9. General comments ............. 102