I suggest that if it is formal, you can look for it on the Ji Jiao version of Mile Mile and Bi Li. I think the video is better and clearer, so it's still good.

Others can be found in Baidu documents, that is, you need some money, have documents, you can read in words, you can find electronic textbooks online, which is not bad.

Hebei Education Edition Grade One Mathematics Teaching Plan _ Teaching Case/Design _ Teaching Research _ Education Area. Hebei Education Press's first-grade math teaching plan, which goes into the goal of math teaching: preparing lessons, and so on, is all good.

I hope it helps you! ! !